Unit2NoRulesNoOrder!

grammarfocus/ru?l/n.規(guī)則

/?:d?r/n.順序

一、祈使句1.用法：一般以動詞原形開頭，表示請求、命令、勸說、警告等。在祈使句中，通常省略句子主語第二人稱you。grammarfocus2.句子結(jié)構(gòu)(1)Do型：__________+其他

準(zhǔn)時(shí)到達(dá)。

_______________________________

穿校服。_______________________________

舉手問問題。_________________________________Putupyourhand

ifyouwanttoaskyourteacheraquestion.Arriveontime.動詞原形Weartheschooluniform.(2)Be型：Be+表語(n./adj.)+其它.

請安靜！_______________._______________

有禮貌！

_____________________________

做個(gè)好孩子！_____________________________Bequiet!Bepolite.Beagoodboy.

Let型：

____+sb.+動詞原形

讓我們?nèi)ド险n吧。 _________________(4)No型：

No+V-ing/N形式。

表示“禁止、規(guī)勸”

禁止說話！

禁止使用手機(jī)！

LetLet’sgotoclass.Notalking！Nophones！2.祈使句的否定:(1)Do型和Be型祈使句的否定式都是在句首加Don’t構(gòu)成。不要上學(xué)遲到。 _______________________________

不要亂扔垃圾。 ________________________________Don’t

belateforschool.

Don’tlitter.

(2)Let型的否定分為兩種：

①Don’t+letsb.dosth.②Letsb.notdosth.Don’t

lethimgo.Lethimnot

go.如：讓他別走。Do型Be型Let型否定形式祈使句No型Don’t+V原+其它Don’t+be+表語Don’tletsb.dosth.Letsb.notdosth.No+V-ing/N.1.It’sanimportantmeeting.__________(not,be)late.2.____________(not,make)anynoise!Yourmotherissleeping.3.____________(not,talk)and____________(read)aloud.4.The

notice

on

the

wall

says

“______________“(nosmoke).

5.____________(look)out!Acariscoming.6.____________(not,let)thebabycry.7.Let’s____________(not,say)anythingaboutit.Don’tbeDon’tmakeDon’ttalkreadNosmokingLookDon’tletnotsayexercises二、“情態(tài)動詞”介紹規(guī)則：

1.表允許:某人+can+動詞原形

某人可以…

某人+must/haveto+動詞原形

某人必須…我們可以在餐廳吃東西。我們必須按時(shí)到校。

Wecaneatinthedininghall.Wemust/havetoarriveatschoolontime.

區(qū)別：haveto與must(情態(tài)動詞)1)haveto意為“必須做某事”強(qiáng)調(diào)“客觀需要”

Theyhavetowearschooluniformseveryday.2)must意為“必須”強(qiáng)調(diào)主觀上的愿望

It’slate.Imustgohomenow.特別注意:haveto有人稱、數(shù)和時(shí)態(tài)的變化haveto-hasto-hadto練一練：用haveto,must填空It’scoldoutside.We______stayathome.外面很冷，我們必須待在家里。2.Ithinkwe____begoodwithourparents.havetomust用haveto或hasto填空。1.We________cleanourclassroomafterschool.2.She_______makeherbedaftergettingup.3.It’slate.MrBeckman______gotoworkbycar.4.EmilyandPeterjoinamusicclub.They_______practicetheguitareveryday.havetohavetohastohastohaveto引導(dǎo)的疑問句Doeshehavetowearauniformatschool?Yes,hedoes.Hehastowearauniformatschool.（肯定回答）（否定回答）No,hedoesn’t.（否定句）Hedoesn’thavetowearauniformatschool.含有haveto,hasto的句子，分別需要借助動詞do，does構(gòu)成疑問句或否定句。（一般疑問句）haveto：情態(tài)動詞，不能單獨(dú)做謂語動詞Hastohewearauniformatschool?2.表不允許：某人+can’t+動詞原形

某人不可以...某人+mustn’t+動詞原形…某人禁止…我們不可以在上課時(shí)戴帽子。她禁止在學(xué)校穿自己的衣服。Wecan'twearhatsinclass.Shemustn’twearherownclothesatschool.肯定結(jié)構(gòu)否定結(jié)構(gòu)介紹規(guī)則Sb.can+動詞原形Sb.must/haveto+動詞原形Sb.can’t++動詞原形Sb.mustn’t++動詞原形1.Don’tjumpthequeue.You______________waityourturn.2.I_____feedmydogmanykindsoffood,butI______givehimchocolate.Itisbadforhim!3.A:CanIleavetheclassroomifIdon’tfeelwell?B:Yes,butyou_______________tellyourteacheraboutitwhenyou______beabsentfromclass.Completethesentencesusingcan,haveto/must,orcan’t/mustn’t.haveto/mustcanhaveto/musthavetocan’t3bjumpthequeue插隊(duì)waityourturn等待你的順序feedsbsth喂養(yǎng)某人什么東西leaveAforB離開A去Bbeabsentfrom缺席4.A:Hey!CanIlookatyourbook?B:Shh,we___________talkquietlyinthelibrary.5.A:Canyouputonyour

seatbelt?We___________wearonewhenwe’reinacar.B:Sure.Thanks!haveto/musthaveto/mustquietly安靜地putontheseatbelt系上安全帶Lookatthefirstsignandreadtherules.Thenwritetherulesfortheothersigns.Donoteatordrink.Noeatingordrinking.Youcan’t/mustn’teatordrink.3cDonotparkhere.Noparking.Youcan’t/mustn’tparkhere.Donottakephotoshere.Nophotos.Youcan’t/mustn’ttakephotos.parktakephotosDonotswimhere.Noswimming.Youcan’t/mustn’tswimhere.Donotfeedbirds.Nofeeding.Youcan’t/mustn’tfeedbirds.swimfeedbirdsDonotswimhere.Noswimming.Youcan’t/mustn’tswimhere.不要在上課時(shí)聽音樂。2.我們必須準(zhǔn)時(shí)上課。3.我們能把電話帶到學(xué)校里來嗎？在圖書館里我們必須保持安靜。我們不能在樓道里跑。將下列句子譯成英語。Exercises不要在上課時(shí)聽音樂。__________________________2.我們必須準(zhǔn)時(shí)上課。___________________________3.我們能把電話帶到學(xué)校里來嗎？__________________________________Don’tlistentomusicinclass.Wemustbeontimeforclass.將下列句子譯成英語。ExercisesCanwebringthephonetoschool?4.在圖書館里我們必須保持安靜。_____________________________我們不能在樓道里跑。_____________________________Wemustkeepquietinthelibrary.Wecan'truninthehallways.Read,translateandreciteWalkinthehallway.Don’trun!Bepoliteandtreatoneanotherwithrespect.Don’tlitter./Youmustn’tlitter./Youcan’tlitter.Canwebringourphonestoclass?No,wecan’t.Wemustkeeptheminourlockers.Canweeatsnacksinclass?No,wecan’teatinclass.Wehavetoeatinthedininghall.在走廊上走。不要跑。要有禮貌，互相尊重。不要扔垃圾。/禁止扔垃圾。/不能亂扔垃圾。我們可以帶手機(jī)上課嗎？不，我們不能。我們必須把它們放在我們的儲物柜里。我們可以在課堂上吃零食嗎？不，我們不能在課堂上吃。我們得在食堂吃。Check在走廊上走。不要跑！要有禮貌?；ハ嘧鹬?。不要扔垃圾。/禁止扔垃圾。/不能扔垃圾。我們能帶手機(jī)上課嗎？不，我們不能。我們必須把它們放在儲物柜里。我們能在課上吃零食嗎？不，我們不能在課上吃。我們必須在食堂吃。Walkinthehallway.Don’trun!Bepoliteandtreatoneanotherwithrespect.Don’tlitter./Youmustn’tlitter./Youcan’tlitter.Canwebringourphonestoclass?No,wecan’t.Wemustkeeptheminourlockers.Canweeatsnacksinclass?No,wecan’teatinclass.Wehavetoeatinthedininghall.根據(jù)句意及提示寫出所缺單詞或短語1.Sheis

(absence)fromtoday’sconference.2.Don’tstayuptoolate!Becauseyouwillleave

Londonearlynextmorning.3.It’sanimportantmeeting.

(notbe)late.4.Let’s

(say)somethingaboutit.absentforDon’tbesay按要求寫出正確的單詞、詞組或句子。插隊(duì)(短語)__________ 2.喂養(yǎng)(動詞)___________3.離開(動詞)__________4.缺席(短語)__________5.輕聲地(副詞)__________ 6.座椅安全帶(短語)__________7.制造噪音（短語）__________8.電影院（名詞）___________9.在走廊里步行。___________________________10.我們能把手機(jī)帶到學(xué)校嗎？_______________________11.我們不得不在餐廳吃東西。___________________12.你能戴上座椅安全帶嗎？________________________________________jumpthequeuefeedleavebeabsentfr