Unit2NoRulesNoOrderSectionAGrammarFocus课件人教版七年级英语下册

Unit

2

No

Rules,No

order

SectionAGrammarFocusThis

class,we'll

draw

signs

and

show

the

rules

and

meanings

with

Tom.Look

after

thiscard,we

will

use

it

at

the

end

of

this

unit.Tom

comes

to

a

new

school.His

classmates

are

veryfriendly.They

know

rules

are

important.On

the

first

day,Anne

tells

Tom

some

school

rules

here.Then

Tomknows

more

rules

in

life.Today

he

writes

a

letter

to

hisold

friend

Peter.Let's

have

a

look!Do

you

remember

the

rules

from

Ms

Brown?Review

the

school

rules.1.

Walk

inthehallway.Don't

run

!2.You

have

to

the

uniform.You

mustn't

wear

other

clothes

to

school

instead.

wear

3.Don't

litter.Makesureto

keep

the

school

tidy.4.Wemust

be

polite

and

treat

everyonewithrespect.ICan)Ianswer

myphonein

class?No,I

can't.OHeican't`}eat

snacksin

class.OHe

'mustn't)bring

myphonetoclass.I

must)keepit

in

the

locker.OHehasto;tell

his

teacher

when

he

isabsent

from

class.1.情态动词can,无

人称和数的变化，后接动词原形，其否定形式为

cannot/can't

一般疑问句can

提前。①表示能

力，意为能，会；②表示许可，请求，意为可以Discuss

and

try

to

find

the

words

rules.(讨论并尝试发现规律)情态动词用于表达说话人的态度、意愿、推测、建议、能力、义务等。情态动词Can,Ieatsnacksinclass?No.Ihavetocatin

the

dining

hall.LookandsayDon’tfightwithothers.Bepoliteandtreatotherswithrespect.Theredsignswarnthestudentswhattheycan’tdo.Thenlookatthegreensignsandsaywhattheyhavetodo.Read

the

letter

and

answer

the

questions.

Dear

Peter,How

is

it

going?My

school

is

very

large

and

safe.My

classmates

are

friendly.On

my

first

day

in

class,I

know

some

school

rules.Can

I

eat

snacks

in

class?No.I

can't

eat

snacks

in

class.I

havé

to

eat

in

the

dining

|hall.CanIanswermyphoneinclass?No,Ican't.Imustn't

bring

my

phone

to

class.I

must

keep

it

in

thelocker.IhavetotellmyteacherwhenI

am

absent

from

class.

Onthesecondday,Iknowsomeotherrulesin

life.Don'tjumpthequeue.It'sthe

same

in

our

country.

Don't

give

pets

chocolate

because

it's

bad

for

them.No

talking

in

the

library.Wear

a

belt

in

a

car.In

class,my

teacher

Ms

Brown

often

chantswithus.It'simportantand

fun.Let's

follow

therules.Be

quiet.Listen!Rulesaresafe.Rulesmean

love.Rules

are

everywhere,Rules

mean

care.Rules

are

important.Wear

a

belt.Don't

eat

snacks.Don't

feed

pets

chocolate.Yours

TomQ1:Howmanyschoolrulesdoes

Tomhave?Three.Q2:What

are

they?

He

can't

eat

snacks

in

class.He

mustn't

bring

his

phone

to

class.He

hastotellhisteacherwhenheisabsent

from

school.Readthesentencesandanswerthequestions.Readandsummary

Don’trunintheclassroom.

Walkintheclassroom.

Don’ttalkloudly.

Keepquiet.

Don’tfightwithothers.Bepoliteandtreatotherswithrespect.Weuseimperativestogivewarningsordirections.Whendoweuseimperatives?Walkintheclassroom.Keepquiet.Bepoliteandtreatotherswithrespect.ObserveandworkoutPositiveimperatives:_________________Do/Be+...1.Don’tbelateforschool._______ontime.ThinkandfillDoyouthinkthesestudentsbehaveproperly?Trytofillintheblankstotellthemwhattheyhavetodo.

2.Don’tsleepinclass.__________theteachercarefully.3.Nolittering.________theclassroomclean.ListentoArriveKeepSb.have/hasto+V原+sth.Hehas

towearauniformatschool.Wehavetobequietinthelibrary.陈述句规则：情态动词“haveto”有人称、数和时态的变化haveto-hastohastoDon’tbelateforschool.Don’tsleepinclass.Nolittering.ObserveandworkoutNegativeimperatives:1._______+do/be...

2._______+v.-ingDon’tNoLookatthesignsandcompletethesentences.Youcanusethesewordstohelpyou.Payattentiontotheverbforms.1._______inthehallway.Don’t_______!2.________politeand________oneanotherwithrespect.3.Don’t________./Youmustn’t________./Youcan’t________.WalkrunBetreatlitterlitterlitter123littertreatwalkberunWhatdoesshehavetowear?Shehastowearschooluniform.Doesshehavetoweararedscarf?No,shedoesn’t.Shedoesn'thavetoweararedscarf.（否定回答）（否定句）（一般疑问句）情态动词“haveto”句型结构Whatdoyouhavetodo?Wehavetodomorningexercises.Doyouhavetodomorningexerciseseveryschoolday?No,wedon’t.Wedon'thavetodoitonMonday.（否定回答）（否定句）（一般疑问句）情态动词“haveto”句型结构haveto1.(肯定句）He/She/It+_______+______2.(否定句）He/She/It+____________+_______3.(一般疑问句）______+he/she/it+______+V原+...?Yes,he/she/it+_______.No,he/she/it+_______.hasto动词原型动词原型doesn'thavetoDoesdoesdoesn'thaveto情态动词“haveto”句型结构

haveto1.(肯定句）I/We/They+_______+______2(否定句）I/We/You/They+_________+_______3(一般疑问句）______+I/we/you/they+______+...?Yes,I/we/you/they+_______.No,I/we/you/they+_______.haveto动词原型动词原型don'thavetoDododon'thaveto情态动词“haveto”句型结构(1)haveto表示受到外在因素的压迫甚至威胁，内心

不情愿做某事，但又“不得不”去做某事

eg：I_______________________(呆在家里）becauseit’srainingallday.(2)must表示个人主观上认为“必须”做某事

eg：Fromnowon,I____________________（努力学习）.IhopeIcanbeagreatmanlikeMr.ZhongNanshanwhenIgrowup.havetostayathomemuststudyhard情态动词“haveto”和must的区别No型祈使句No+v-ing!/No+名词!3.禁止钓鱼!2.禁止停车!1.禁止拍照!Nofishing!Noparking!Nophotos!Let’slearnimperatives肯定祈使句①Do型祈使句②Be型祈使句③Let型祈使句否定祈使句动原+其他Don’t+动词原形+其他Be+表语+其他Let+宾语+动原+其他Don’t+be+表语+其他Don’t+let+宾语+动原+其他Let+宾语+not+动原+其他表示“禁止”

④No型祈使句No+动词-ing!No+名词!Let’ssummarize

(3)must无人称和数的变化(4)haveto有人称，数和时态的变化eg:WuZihanghastocookforhimselfeveryday.(改为一般疑问句)---________WuZihang________cookforhimselfeveryday?---Yes,______________./No,______________.

Doeshavetohedoeshedoesn't情态动词“haveto”和must的区别Let’spracticeDon’tbe1.It’sanimportantmeeting.

(not,be)late.2.

(not,make)anynoise!Yourmotherissleeping.3.

(not,talk)and

(read)aloud.4.Thenoticeonthewallsays“

”.(nosmoke)5.

(look)out!Acariscoming.6.

(not,let)thebabycry.7.Let’s

(notsay)anythingaboutit.Don’ttalkDon’tmakereadNosmokingLookDon’tletnotsay2.Canwebringourphonestoclass?Yes,wecan.No,wecan't.1.Canyouplaytheguitar?Yes,Ican.No,Ican't.