Unit4Grammar课件牛津译林版英语八年级上册

单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级18AUnit4rammar单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2Putinabrighterlight.Putup

apicture.Paint

thelivingroomblue.putup

ashelf

DIYworkWhatwillhismothersay?Stopit!SayourdailylifeTurnleft!Goupstairs!Turnright!Bequiet!Don'tpickflowers!Don'tpark!Don'teatit!Nosmoking!Knowthesigns.Turnleft.Pleasegoslowly.Parkyourbikehere.Bequiet,please.Don’tmakeanynoise.GivinginstructionsPutupapictureonthewall.Putupashelfonthewall.Westartasentencewiththebaseformofaverbwhenwewanttotellpeoplewhattodo.Don’tturnleft.Don’tturnright.Don’tswimhere.Don’tfishhere.Don’tparkyourbikehere.Weadd‘don’t’infrontoftheverbwhenwewanttotellpeoplenottodosomething.Don’tsmokehere.Howcarefully!Whatshouldwedointhelibrary?Bequietinthelibrary.Readthebookscarefully.Takegoodcareofthebooks.Keepthelibraryclean.

Structure祈使句的肯定结构:①V行为原形+…e.g.Putupapictureonthewall.Pleasefixtheshelfforme.Fixtheshelfforme,please.②Be（以be开头）+…e.g.Be

quiet!Be

careful！Whatshouldn’twedointhelibrary?Don’tmakemuchnoise.Don’twriteonthebooks.Don’ttalktoyourclassmatesloudly.Don’ttakethebooksoutofthelibrary.Structure2.祈使句的否定结构

Do

not

(Don’t)+祈使句。

e.g.Don’t

be

late

for

class！

Don’tpaintthewall！

Let'smakeabirthdaycard._____outpiecesofcardwithapairofscissors.______somewordsorasentenceoneachcard._______apictureaboutthewordsorsentenceontheothersideofthecard.cutdrawlooktrywriteCutDrawLooktryWrite

_____atthepictureand___torememberwhatisontheotherside.ShowyourDIYsIfyourDIYcardisnotnice,please_________(notgive)up._______(keep)trying,andyouwillfindyoucandothembetter.don'tgiveKeepHowtogiveadvice?Youshouldnot...Youhadbetternot...Andrew’sworkSuzyisgivingDIYadvicetoherclassmates.Readtheadvicebelow.HelpSuzymakesentenceswith

should(not)orhadbetter(not).DIYadvice

abeginyourworkwithoutreadingthembjoinaDIYclubtolearnmoreaboutit

cbepatient

dbuysometolearnmoreaboutit

eplaywiththemwhenyoudoDIYjobs1.TherearemanyusefulbooksaboutDIY.Youshould/hadbetterbuysometolearnmoreaboutit.2.DIYisnoteasy.You

should/hadbetterjoinaDIYclubtolearnmoreaboutit.3.Instructionsareimportant.You

shouldn’t/hadbetternotbeginyourworkwithoutreadingthem.You

shouldnot/hadbetternotplaywiththemwhenyoudoDIY.4.Scissorscanbedangerous.

You

should/hadbetterbepatient.5.Sometimesit’lltaketimetodoaDIYjob.Structure

肯定句：

Sb+should+V原形+…should没有人称和数的变化。

e.g.Youshouldstop/giveupsmoking.

Sb+hadbetter(简略为’dbetter)+V原形+…

没有人称和数的变化。

e.g.Yourwatchisbroken.Youhad

better

buyanewone.

Structure

否定句：

sb+shouldnot/shouldn’t+V原形e.g.Youshouldn’tdriveafterdrinking.

sb+hadbetter+not+V原形+…e.g.Youshould

notputsomanybooksontheshelf.HowtobeagoodstudentYou_____________________belateforschool.You_______________listencarefullyinclass.

should(not);hadbetter(not)shouldn’t/hadbetternotshould/hadbetterDiscussandfillintheblanks.You_________lookoutofthewindowinclass.You_______________keepyourclassroomclean.You_________________befriendlytoothers.should/hadbettershouldn’tshould/hadbetter1)祈使句的肯定结构（动词原形开头,句末感叹号！）①Do型Sit

down!

Stand

up!Listencarefully.②Be型（以be开头）Be

quiet!安静！Be

careful！小心！③Let型（letsbdosth）Let

me

try.让我试试看。

Let’s

look

at

the

map.让我们看看地图。2)祈使句的否定结构，在肯定结构前加

Do

not

(Don’t)。

Don’t

go

there,please.请别去那儿。Don’t

be

late

for

class!上课别迟到！Don’t

let

him

in.

不要让他进来。3)表示请求、劝告的祈使句还常常在句前或句末加上please,

构成句式：Please…或…,please.

以使语气更加缓和或客气。Please

have

a

rest.Have

a

rest,please.请休息一下。

ConcludeandlearntherulesGiveacorrectinstructionaccordingtotheinformation.1.Tomlikesswimmingverymuch.Youknowit’snecessarytobecarefulwhenswimming.Whatshouldyousaytohim?2.SimonlikesDIY.Heisgoingtopainthisroom.Whatishegoingtodo?3.Youwillgofortravelling.Whatwillyourparentstellyoutodobeforeyoutravel?Discussion1.剪出……2.写一些话或一个句子3.花时间做某事4.在卡的另一面5.尝试做某事6.记住某事7.放弃8.放弃某事/做某事9.坚持尝试10.把事情记得更好cutout…writesomewordsorasentenceIttakestimetodoontheothersideofthecardtrytodosth.remembersth.giveupgiveupsth./doingsth.keeptryingrememberthingsbetterUsefulExpressionsI.单项选择。1.TheTVistooloud.Please_______.

A.turnitdown

B.toturnitdown

C.turndownit

D.toturndownit

2._______lateagain,Bill!

A.Don'ttobe

B.Don'tbe

C.Notbe

D.Benot3._______crossthe