人教版九年级英语 Unit 5 复习课件

Unit5Whataretheshirtsmadeof?Unit51gold2silver3steel4iron金银钢铁1gold2silver3steel4iron金银钢铁1produce2producer3production4productv.生产n.生产商n.生产n.产品1produce2producer3production4p1nation2national3internationaln.国家adj.国家的adj.国际的1nation2national3international1bemadeof2bemadefrom3bemadein4bemadeby5bemadeinto6bemadeupof+材料+材料（看不出）+产地+制造者制成……由……构成1bemadeof2bemadefrom3bemaThedeskismade____wood.Saltismade_____seawater.Thecakeismade______amixtureofflour,sugarandeggs.Thispieceofwoodwillbemade______

asmallbench.silkismade_______China.Thecomputerismade_____Microsoftcompany.Thedeskismade____wood.notnoly…butalso…texttexttexttextneither…nor…either…or…both…and…不仅…而且…既不…也不…或者…或者……和…notnoly…butalso…texttexttext①NeithernorSam________(have)theticketforthefilm.②Bothyourfatherandyourmother________(play)thepianowell.③Eitherheorwe______(be)right.④Neitherthestudentsnortheteacher______(be)wrong.①NeithernorSam________(habefamousasbeknownasasfarasIknowbeknownforbefamousforbefamousasbLuXunisknown________agreatwrite.Guilinisknown_____itsbeautifulscenery.Franceisfamous______itsfinegoodandwine.LuXunisknown________agrebegoodforbegoodtobegoodatbegoodwith对……有好处对……好擅长和……相处好begoodforbegoodtobegood多吃水果对健康有好处。________morefruit________________health.2.我数学学得好。I__________________math.3.她和他姐姐相处得好吗？______she____________hersister?4.谢老师对我们很好。Ms.Xie_______________us多吃水果对健康有好处。othertheotheranothertheothersothers+N.单数有范围单数没范围复数有范围复数没范围othertheotheranothertheother1.WestudyChinses,English,mathand_____subjects.2.Ihavetwobrothers.Oneisadoctor,and_________isaworker.3.Youshouldthinkof__________.4.Therearefiftystudentsintheclass.Thirtyofusaregirls,and_______areboys.5.Thisshirtistoosmallforme.Showme_______one.1.WestudyChinses,English,seem/si:m/v.好像;似乎；(1)seem+adj看起来…(2)seemtodosth.似乎、好像做某事(3)Itseemsthat+从句似乎.你看起来很高兴。我好像感冒了。ItseemsthatnoonebelievesyouYouseemhappy.Iseemtohaveacold似乎没有人相信你。seem/si:m/v.好像;似乎；(1)seemExercises1.–Therearedarkclouds,andthewindisstrongly.--It____thatatyphooniscoming.AfeelsBsoundsCseemsDlooks2.这个女孩好像有点害羞。Thegirl________________shy.3.你看上去似乎喜欢看电视。_________________yourlikewatchingTV.Exercises1.–Therearedarkclby

within+方式+工具+材料和语言bywithin+方式+工具+材料和语言1.YoucanimproveyourEnglish_____practicingmore.2.Theycrossedtheriver____boat.3.Thegirl_____longhairismyclassmate.4.MyAmericanfriendislearningtoeat_______chopsticks.5.Theypaid_____cash.6.Ihaven'tgotanymoney____me.7.Wehadtogetthere_____evening.8.Canyouspeakit______French?1.YoucanimproveyourEnglisIf

如果条件状语从句主将从现是否宾语从句主现在从任何，主一过从相过If如果条件状语从句主将从现是否宾语从句主现在从任何，主一1.

If

he______

hard,

he

will

get

good

grades.

A.

study

B.

studies

C.

will

study

D.

studied

2.

I

want

to

know

if

Mary_______

to

the

party

tomorrow.

A.

go

B.

went

C.

will

go

D.

goes

3.

Everyone

must

dress

up.

If

you________

,

they

won’t

let

you

in.

A.

don’t

B.

won’t

C.

can’t

D.

mustn’t

4.

Mary

will

go

to

Sanya

if

she_______

a

five-day

trip.

A.

have

B.

had

C.

will

have

D.

has

5.I

don’t

know

if

he

__.

If

he

__

,

please

let

me

know.

A.

comes,

comes

B.

will

come,

will

come

C.

will

come,

comes

D.

comes,

will

come

1.

If

he______

hard,

he

will

g让步状语从句thoughalthoughevenifeventhoughnomatterwh-Wh-ever尽管即使无论如何首选Wh-ever让步状语从句thoughevenifnomatter1.

We

will

not

give

up

_____

we

shall

fail

ten

times.

A.

even

if

B.

as

C.

though

D.

unti2._____

difficult

the

task

may

be,

we

will

try

our

best

to

finish

it.

A.

No

matter

B.

No

wonder

C.

Though

D.

However

3.Mary

spends

a

lot

of

money

on

clothes

___her

family

is

not

rich.

A.because

B.though

C.if

D.so

4._______

you

believe

it

or

not,

it’

true.

A.

No

matter

B.

No

wonder

C.

Though

D.

However

5.

_________

he

was

tried,

he

kept

on

working.A.

Even

if

B.

Because

C.

Although

D.

until1.

We

will

not

give

up

_____

w6.

The

how-to

book

can

be

of

help

to

_____wants

to

do

the

job.

A.Who

B.

whomever

C.

No

matter

who

D.

Whoever

7._______you

say

is

of

no

use.

A.

No

matter

what

B.Whatever

CwhereverDNomatterwhere8.

____________

the

Games

will

be

held

in

Beijing

is

not

known.

A.

Whenever

B.

If

C.

Whether

D.

That

6.

The

how-to

book

can

be

of

形式宾语itfindit+adjfeelit+adjthinkit+adjmakeit+adj形式宾语itfindit+adjfeelit+a1.

I

don’t

think

_______

possible

to

master

a

foreign

language

without

much

memory

work..

A.

this

B.

that

C.

its

D.

it2.I

hate

_______

when

people

talk

with

their

mouths

full.

A.

it

B.

that

C.

these

D.

them

3.

I

like

_______

in

the

autumn

when

the

weather

is

clear

and

bright.

A.

this

B.

that

C.

it

D.

one

4.We

think

_______

our

duty

to

pay

taxes

to

our

government.A.

that

B.

this

C.

its

D.

it

5.

was

disappointed

with

the

play.

I

had

expected

_____

to

be

much

better.

A.

that

B.

this

C.

one

D.

it

1.

I

don’t

think

_______

possi1.Does_______matterifhecan’tfinishthejobontime?thisB.itC.heD.that2.----Doyouneedmyruler?----No,thanks.I’vegot_______myself.itB.eachC.oneD.theone3.----Whichpersondoyoumean?----______whowearsanewgoldwatch.A.TheoneB.OneC.EachD.It4.It_____threeyearssinceIleftEngland.hasbeenB.wasC.hadbeenD.willbe5.Itwon’tbelong_____theisland________toourmotherland.when,returnsB.before,willreturnC.since,returnsD.before,returns6.________isapitythatyouforgotbothheraddressandhertelephonenumber.A.ItB.ThereC.ThisD.That1.Does_______matterifheca7.Isawnomorethanonecopyleftinthebookshop.Willyougoandbuy______?A.itB.someC.anyD.one8.Willyouseeto______thattheluggageisbroughtback?A.meB.yourselfC.itD.them9.It_______thatshehaslostinterestinstudyingEnglish.seemedB.appearsC.looksD.remains10._______happenedthatImetoneofmyfriendsyesterday.IB.ThatC.ItD.How11.Ithink_______rightthatyoudidn’ttellhimthebadnews.itB.itsC.youD.that12._______tosaywhichoneIshouldchoose.That’shardB.ItishardC.TherenouseD.Itnogood13._______surprisedmemostwasthatshehadbecomeafamoussinger.A.ThatB.ItC.WhatD.This7.IsawnomorethanonecopyGrammarGrammar英语中的语态主动语态：主语是动作的发出者被动语态：主语是动作的承受者Thecateatsfish.Thefishiseatenbythecat.英语中的语态主动语态：主语是动作的发出者Thecatea被动语态的结构be+P.P.am/is/are+p.p.一现have/has+been+p.p.willbe+p.p.was/were+p.p.had+been+p.p.wouldbe+p.p.am/is/arebeing+p.p.was/werebeing+p.p.一将现完一过过将过完现进过进情V+be+p.p.情V被动语态的结构be+P.P.am/is/areWhencanweusethepassivevoice?不知道动作的执行者是谁，或没有必要指出动作的执行者时。Mybikewasstolenlastnight.昨晚我的自行车被偷了。Lettersarecollectedateight.信件早晨八点收取。2.为了强调或突出动作的承受者时。ThedeskwasmadebyMasterWang.这张课桌是王师傅做的。Thebagwastakenawaybyhissister.那个口袋是她姐姐提走的。用法Whencanweusethepassivevo主动语态变为被动语态三步走宾语提前作主语by短语后跟宾格谓语变成被动式Thecateatsfish.Thefishiseatenby

thecat.主动语态变为被动语态三步走宾语提前作主语by短语后将下列句子改成被动语态。1.We

useEnglishasaforeignlanguage.→Englishisusedasaforeignlanguage(byus)2.Peoplewrite

businesslettersinEnglish→Businessletters

arewritten(

bypeople)inEnglish.3.TheymaketelephonecallsinEnglish.→Telephonecallsaremade(bythem)inEnglish.5.FarmersgrowriceinZhejiang.→RiceisgrownbyfarmersinZhejiang.将下列句子改成被动语态。EnglishisusedasAmankilledJack.→HanMeifoundGranny’books.→Theybuiltthebridge.→Jackwaskilled(byaman).Granny’bookswerefoundbyHanMei.Thebridgewasbuilt.4.Hecananswerthequestion.→5.Wemustplanttreesinspring.→Thequestioncanbeanswered(byhim.)Treesmustbeplantedinspring.AmankilledJack.→Jackwask主动语态变为被动语态时注意含直接宾语和间接宾语的主动变为被动时:Hegavetheboy

anapple.→1)把间接宾语改为主语,直接宾语保留不变:Theboywasgivenanapple2)把直接宾语改为主语,此时,间接宾语前要加to或for.Anapplewasgiventotheboy.(give,pass,show,send---to)

(buy,draw,make,----for)主动语态变为被动语态时注意含直接宾语和间接宾语的主动变为被动5.不及物动词不能用被动语态happen,takeplace,appearTheplanearrived.

Ancaraccidenthappenedthismoring.5.不及物动词不能用被动语态happen,takepl2.省略to不定式,改为被动语态时不定式前要加to.Theywatchedthechildrensing.→Thechildrenwerewatched

tosing.3.短语动词是不可分割的整体,改为被动语态时要保持其完整性,介词或副词不可遗漏.Wemusttakegoodcareoftheyoungtrees.→Youngtreesmustbe

takengoodcareof.2.省略to不定式,改为被动语态时不定式前要加to.（一）将下列句子改为被动语态：

1.Weoften

usearecorderinourEnglishclass.2.Theparentsfound

theboyinthestreet.3.Wemustcleantheblackboard.4.Isawherreadingabookhoursago.（一）将下列句子改为被动语态：5.Ioftenbuy

Mother

something.6.Mybrothergave

me

abook.7.Wecanhearhersingthissong.8.Theboy’swordsmadeuslaugh.5.IoftenbuyMothersomethingCarsareoftenstolenintheplace.ThereportwashandedinlastMonday.Thebookisbeingwrittennow.ThebuildingswerebeingbuiltwhenIwastherelasttime.Ihavebeenofferedanewposition.Thehotelhadbeenbookedbefore.（二）将下列句子改为主动语态：

CarsareoftenstoleninthepAddyoutitlewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperience

welcometousethesepowerpointtemplates,NewContentdesign,10yearsexperience

AddyoutitlewelcometouseAddyoutitleAddYourTextwelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperienceAddyoutitleAddYourTextweAddyoutitlewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencetexttexttexttexttextAddyoutitlewelcometousewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperienceAddyoutextwelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpoinAddyoutitleTitle1Title2Title3Title4ABCDEFAddyoutitleTitle1Title2TitAddyoutitlewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperienceAddyoutitlewelcometousewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesignwelcometousethesepowerpointtemplates,NewContentdesignwelcometousethesepowerpointtemplatesAddyoutitlewelcometousethesepowerpoinwelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperienceAddyoutitlewelcometousethesepowerpoinwelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperiencewelcometousethesepowerpointtemplates,NewContentdesign,10yearsexperienceAddyoutitlewelcometousethesepowerpoinThankYou!ThankYou!Unit5Whataretheshirtsmadeof?Unit51gold2silver3steel4iron金银钢铁1gold2silver3steel4iron金银钢铁1produce2producer3production4productv.生产n.生产商n.生产n.产品1produce2producer3production4p1nation2national3internationaln.国家adj.国家的adj.国际的1nation2national3international1bemadeof2bemadefrom3bemadein4bemadeby5bemadeinto6bemadeupof+材料+材料（看不出）+产地+制造者制成……由……构成1bemadeof2bemadefrom3bemaThedeskismade____wood.Saltismade_____seawater.Thecakeismade______amixtureofflour,sugarandeggs.Thispieceofwoodwillbemade______

asmallbench.silkismade_______China.Thecomputerismade_____Microsoftcompany.Thedeskismade____wood.notnoly…butalso…texttexttexttextneither…nor…either…or…both…and…不仅…而且…既不…也不…或者…或者……和…notnoly…butalso…texttexttext①NeithernorSam________(have)theticketforthefilm.②Bothyourfatherandyourmother________(play)thepianowell.③Eitherheorwe______(be)right.④Neitherthestudentsnortheteacher______(be)wrong.①NeithernorSam________(habefamousasbeknownasasfarasIknowbeknownforbefamousforbefamousasbLuXunisknown________agreatwrite.Guilinisknown_____itsbeautifulscenery.Franceisfamous______itsfinegoodandwine.LuXunisknown________agrebegoodforbegoodtobegoodatbegoodwith对……有好处对……好擅长和……相处好begoodforbegoodtobegood多吃水果对健康有好处。________morefruit________________health.2.我数学学得好。I__________________math.3.她和他姐姐相处得好吗？______she____________hersister?4.谢老师对我们很好。Ms.Xie_______________us多吃水果对健康有好处。othertheotheranothertheothersothers+N.单数有范围单数没范围复数有范围复数没范围othertheotheranothertheother1.WestudyChinses,English,mathand_____subjects.2.Ihavetwobrothers.Oneisadoctor,and_________isaworker.3.Youshouldthinkof__________.4.Therearefiftystudentsintheclass.Thirtyofusaregirls,and_______areboys.5.Thisshirtistoosmallforme.Showme_______one.1.WestudyChinses,English,seem/si:m/v.好像;似乎；(1)seem+adj看起来…(2)seemtodosth.似乎、好像做某事(3)Itseemsthat+从句似乎.你看起来很高兴。我好像感冒了。ItseemsthatnoonebelievesyouYouseemhappy.Iseemtohaveacold似乎没有人相信你。seem/si:m/v.好像;似乎；(1)seemExercises1.–Therearedarkclouds,andthewindisstrongly.--It____thatatyphooniscoming.AfeelsBsoundsCseemsDlooks2.这个女孩好像有点害羞。Thegirl________________shy.3.你看上去似乎喜欢看电视。_________________yourlikewatchingTV.Exercises1.–Therearedarkclby

within+方式+工具+材料和语言bywithin+方式+工具+材料和语言1.YoucanimproveyourEnglish_____practicingmore.2.Theycrossedtheriver____boat.3.Thegirl_____longhairismyclassmate.4.MyAmericanfriendislearningtoeat_______chopsticks.5.Theypaid_____cash.6.Ihaven'tgotanymoney____me.7.Wehadtogetthere_____evening.8.Canyouspeakit______French?1.YoucanimproveyourEnglisIf

如果条件状语从句主将从现是否宾语从句主现在从任何，主一过从相过If如果条件状语从句主将从现是否宾语从句主现在从任何，主一1.

If

he______

hard,

he

will

get

good

grades.

A.

study

B.

studies

C.

will

study

D.

studied

2.

I

want

to

know

if

Mary_______

to

the

party

tomorrow.

A.

go

B.

went

C.

will

go

D.

goes

3.

Everyone

must

dress

up.

If

you________

,

they

won’t

let

you

in.

A.

don’t

B.

won’t

C.

can’t

D.

mustn’t

4.

Mary

will

go

to

Sanya

if

she_______

a

five-day

trip.

A.

have

B.

had

C.

will

have

D.

has

5.I

don’t

know

if

he

__.

If

he

__

,

please

let

me

know.

A.

comes,

comes

B.

will

come,

will

come

C.

will

come,

comes

D.

comes,

will

come

1.

If

he______

hard,

he

will

g让步状语从句thoughalthoughevenifeventhoughnomatterwh-Wh-ever尽管即使无论如何首选Wh-ever让步状语从句thoughevenifnomatter1.

We

will

not

give

up

_____

we

shall

fail

ten

times.

A.

even

if

B.

as

C.

though

D.

unti2._____

difficult

the

task

may

be,

we

will

try

our

best

to

finish

it.

A.

No

matter

B.

No

wonder

C.

Though

D.

However

3.Mary

spends

a

lot

of

money

on

clothes

___her

family

is

not

rich.

A.because

B.though

C.if

D.so

4._______

you

believe

it

or

not,

it’

true.

A.

No

matter

B.

No

wonder

C.

Though

D.

However

5.

_________

he

was

tried,

he

kept

on

working.A.

Even

if

B.

Because

C.

Although

D.

until1.

We

will

not

give

up

_____

w6.

The

how-to

book

can

be

of

help

to

_____wants

to

do

the

job.

A.Who

B.

whomever

C.

No

matter

who

D.

Whoever

7._______you

say

is

of

no

use.

A.

No

matter

what

B.Whatever

CwhereverDNomatterwhere8.

____________

the

Games

will

be

held

in

Beijing

is

not

known.

A.

Whenever

B.

If

C.

Whether

D.

That

6.

The

how-to

book

can

be

of

形式宾语itfindit+adjfeelit+adjthinkit+adjmakeit+adj形式宾语itfindit+adjfeelit+a1.

I

don’t

think

_______

possible

to

master

a

foreign

language

without

much

memory

work..

A.

this

B.

that

C.

its

D.

it2.I

hate

_______

when

people

talk

with

their

mouths

full.

A.

it

B.

that

C.

these

D.

them

3.

I

like

_______

in

the

autumn

when

the

weather

is

clear

and

bright.

A.

this

B.

that

C.

it

D.

one

4.We

think

_______

our

duty

to

pay

taxes

to

our

government.A.

that

B.

this

C.

its

D.

it

5.

was

disappointed

with

the

play.

I

had

expected

_____

to

be

much

better.

A.

that

B.

this

C.

one

D.

it

1.

I

don’t

think

_______

possi1.Does_______matterifhecan’tfinishthejobontime?thisB.itC.heD.that2.----Doyouneedmyruler?----No,thanks.I’vegot_______myself.itB.eachC.oneD.theone3.----Whichpersondoyoumean?----______whowearsanewgoldwatch.A.TheoneB.OneC.EachD.It4.It_____threeyearssinceIleftEngland.hasbeenB.wasC.hadbeenD.willbe5.Itwon’tbelong_____theisland________toourmotherland.when,returnsB.before,willreturnC.since,returnsD.before,returns6.________isapitythatyouforgotbothheraddressandhertelephonenumber.A.ItB.ThereC.ThisD.That1.Does_______matterifheca7.Isawnomorethanonecopyleftinthebookshop.Willyougoandbuy______?A.itB.someC.anyD.one8.Willyouseeto______thattheluggageisbroughtback?A.meB.yourselfC.itD.them9.It_______thatshehaslostinterestinstudyingEnglish.seemedB.appearsC.looksD.remains10._______happenedthatImetoneofmyfriendsyesterday.IB.ThatC.ItD.How11.Ithink_______rightthatyoudidn’ttellhimthebadnews.itB.itsC.youD.that12._______tosaywhichoneIshouldchoose.That’shardB.ItishardC.TherenouseD.Itnogood13._______surprisedmemostwasthatshehadbecomeafamoussinger.A.ThatB.ItC.WhatD.This7.IsawnomorethanonecopyGrammarGrammar英语中的语态主动语态：主语是动作的发出者被动语态：主语是动作的承受者Thecateatsfish.Thefishiseatenbythecat.英语中的语态主动语态：主语是动作的发出者Thecatea被动语态的结构be+P.P.am/is/are+p.p.一现have/has+been+p.p.willbe+p.p.was/were+p.p.had+been+p.p.wouldbe+p.p.am/is/arebeing+p.p.was/werebeing+p.p.一将现完一过过将过完现进过进情V+be+p.p.情V被动语态的结构be+P.P.am/is/areWhencanweusethepassivevoice?不知道动作的执行者是谁，或没有必要指出动作的执行者时。Mybikewasstolenlastnight.昨晚我的自行车被偷了。Lettersarecollectedateight.信件早晨八点收取。2.为了强调或突出动作的承受者时。ThedeskwasmadebyMasterWang.这张课桌是王师傅做的。Thebagwastakenawaybyhissister.那个口袋是她姐姐提走的。用法Whencanweusethepassivevo主动语态变为被动语态三步走宾语提前作主语by短语后跟宾格谓语变成被动式Thecateatsfish.Thefishiseatenby

thecat.主动语态变为被动语态三步走宾语提前作主语by短语后将下列句子改成被动语态。1.We

useEnglishasaforeignlanguage.→Englishisusedasaforeignlanguage(byus)2.Peoplewrite

businesslettersinEnglish→Businessletters

arewritten(

bypeople)inEnglish.3.TheymaketelephonecallsinEnglish.→Telephonecallsaremade(bythem)inEnglish.5.FarmersgrowriceinZhejiang.→RiceisgrownbyfarmersinZhejiang.将下列句子改成被动语态。EnglishisusedasAmankilledJack.→HanMeifoundGranny’books.→Theybuiltthebridge.→Jackwaskilled(byaman).Granny’bookswerefoundbyHanMei.Thebridgewasbuilt.4.Hecananswerthequestion.→5.Wemustplanttreesinspring.→Thequestioncanbeanswered(byhim.)Treesmustbeplantedinspring.AmankilledJack.→Jackwask主动语态变为被动语态时注意含直接宾语和间接宾语的主动变为被动时:Hegavetheboy

anapple.→1)把间接宾语改为主语,直接宾语保留不变:Theboywasgivenanapple2)把直接宾语改为主语,此时,间接宾语前要加to或for.Anapplewasgiventotheboy.(give,pass,show,send---to)

(buy,draw,make,----for)主动语态变为被动语态时注意含直接宾语和间接宾语的主动变为被动5.不及物动词不能用被动语态happen,takeplace,appearTheplanearrived.

Ancaraccidenthappenedthismoring.5.不及物动词不能用被动语态happen,takepl2.省略to不定式,改为被动语态时不定式前要加to.Theywatchedthechildrensing.→Thechildrenwerewatched

tosing.3.短语动词是不可分割的整体,改为被动语态时要保持其完整性,介词或副词不可遗漏.Wemusttakegoodcareoftheyoungtrees.→Youngtreesmustbe

takengoodcareof.2.省略to不定式,改为被动语态时不定式前要加to.（一）将下列句子改为被动语态：

1.Weoften

usearecorderinourEnglishclass.2.Theparentsfound

theboyinthestreet.3.Wemustcleantheblackboard.4.Isawherreadingabookhoursago.（一）将下列句子改为被动语态：5.Ioftenbuy

Mother

something.6.Mybrothergave

me

abook.7.Wecanhearhersingthissong.8.Theboy’swordsmadeuslaugh.5.IoftenbuyMothersomethingCarsareoftenstolenintheplace.ThereportwashandedinlastMonday.Thebookisbeingwrittennow.ThebuildingswerebeingbuiltwhenIwastherelasttime.Ihavebeenofferedanewposition.Thehotelhadbeenbookedbefore.（二）将下列句子改为主动语态：