牛津译林版英语九年级下Unit1-Grammar课件(共27张PPT)

GrammarUnit1AsiaIt的用法Lookatthebird.Itissosmall.注意当我们常用it指代动物时，如果是宠物，我们通常可以用he或者she来代替it。如：Ihaveadog.She

ismybestfriend.我有一条狗。她是我最好的朋友。Thelittlebabyisdrinkingmilk.It

weighsonly3kilos.--Whowascallingyoujustnow?--Itwasmycousin.RidingaroundthecountrysideispopularinGuilin,isn’t

it?总结1it作人称代词1.指代动物或无生命的事物。2.指代不清楚性别的婴儿和小孩。3.指代不明身份的人。（尤指打电话和敲门的状态下）4.指代前面提到过的事物。Exercise1AvisittotheSummerPalacetheSummerPalace2.thelake3.thelake4.wecouldnotrowaboatthere5.the17-holebridgeThelionsarealldifferentfromeachother.7.unknownpersonLanguagepoints1.Thelakeisverybig—ittakesupthreequartersofthearea.湖很大，占了四分之三的面积。短语takeup的意思是“占据(空间)；占用

(时间)”。如：

Thetabletakesuptoomuchspace.

这张桌子太占地方了。(2)threequarters

四分之三分数表达法分子（用基数词）/分母（用序数词复数表示；分子≤1时用单数形式）

如：五分之三

three

fifths

十分之七

seven

tenths

二分之一one(a)

half(不能用one

second)2.

Acrossthelakeisa17-holebridge.Therearemanystonelionsoneithersideofit.湖上有一座十七孔桥，桥两边有很多石狮子。第一句为倒装句。当表示地点状语的介词短语位于句首时将谓语提到主语前面构成

完全倒装。如：

Infrontofthebuildingisabigpark.

在这个建筑前面是个大公园。(2)oneithersideof=oneachsideof总结2it作非人称代词it可以用来指代时间、日期、天气、距离等。Itis6:30p.m.Itisrainingheavilyoutside.Itis1Januarytoday.ItisNewYear’sDay.InBeijing,itiscoldandwindyinwinter.Itistwokilometresfrommyschooltomyhome.Exercise2LeavingforShanghaiItis22Februarytoday2.Itisabout1,300kilometres3.Itwas5a.m.4.Itwasonly2℃5.itisverycoldanddryinBeijingItwassunny/asunnydayItwasnoonItisnotfar

____wasasunnyday.Peterdecidedtogoforawalktothepark,though_____wastwomilesaway.___wassocomfortabletowalkonthestreet.

itItItSuddenly___begantorain.Hefound__hardtowalkthere.Thenhetookabushome.Unfortunately___wentwrong.Whenhegothome,hewaswetthrough.Thus___wasadaythathewouldneverforget.itititit总结3it作形式主语

It

isamazing

that

therearesomanyrocksin

unusualshapesinthecave.It

isimportant

that

weshouldlearnEnglishwell.1)Itis+adj.+that从句2)Itis+adj.+todosth.It

isverytiringtoclimbthesteps.It

ispopulartohireabicycleandridearoundthecountryside.总结3it作形式宾语

Manypeoplefindit

pleasanttotravelaround.Wethinkit

importanttolearnaforeignlanguage.该句型中的it

作形式宾语。

主句中常用的动词：think,believe,make,find,consider,feel…Wethinkitourdutytocleanourclassroomeveryday.

HefeltitimportantlearningEnglishwell.

Theyfounditdifficultthattheywouldfinishtheirworkintwodays.Usefulstructureswithit4.…think(s)/find(s)iteasy/difficult/…to….

1.Itis+adj.+(of/for…)+to….Itisniceofyoutohelpme.你能帮我真好。2.Ittakes…sometimeto….Ittakesonehourtogetthere.到那要花一个小时。3.Itissaid/reported/…that….ItissaidthateveryonemayhaveachancetotraveltoMarsintheyearof2050.据说到2050年每个人都有机会到火星旅游。Ifinditinterestingtolearnsomethingnew.我发现学习新东西很有趣。Exercise2AboutShanghaiitiseasyItissunnyit4.Itissaid5.Itisfun6.it7.it(is)comfortable8.Itiskindit作为非人称代词的用法作为人称代词的用法其他用法it

是代表人以外的动物或物品的单数名词，通常意为“它”。除此之外，it还有很多其他特殊的用法，而其意思根据实际情况而定。SummaryExercises1.--He

was

nearly

drowned

once.

--When

was

____?

--____was

in

1998

when

he

was

in

middleschool.

A.

that;

It

B.

this;

This

C.

this;

It

D.

that;

This2.Someone

is

ringing

the

doorbell.

Go

and

see____.

A.

who

is

he

B.

who

he

is

C.

who

is

it

D.

who

it

is

单项选择。AD3.

In

fact

____is

a

hard

job

for

the

police

tokeep

order

in

an

important

football

match.

A.

this

B.

that

C.

there

D.

it4.

Mike’s

mother

kept

telling

him

thathe

should

work

hard,

but

____didn’t

help.

A.

he

B.

it

C.

she

D.

whichDB5.

Since

you

have

repaired

my

computer,

____

is

no

need

for

me

to

buy

a

new

one.

A.

it

B.

there

C.

this

D.

that6.

The

official

made____clear

that

he

would

do

everything

possible

to

solve

the

problem.

A.

it

B.

this

C.

that

D.

himAA7.

--Do

you

like____here?

--Oh,

yes,

the

air,

the

weather

and

the

way

of

life.

Everything

is

so

nice.

A.

this