Module5;肯定的祈使句
1.Do型：动词原形开头
2.Be型：Be动词开头
3.Let型:Letsbdosth
例句：
1.Watchyoursteps.
走路小心。
2.Bekindtooursister.
要对我们的妹妹友善。
3.Letsplayfootball.
让我们去踢足球吧。;;;“禁止做某事”的句型总结;1.________playinthestreet.It’sverydangerous．
A.Do???????B.Not???????
CDon’t??????????D.Doesn’t
2.Don’t_______lateagain.
???????A.are?????B.be???????C.is??????D.am;3.—Sorryforbeinglateagain.
?—_______hereontimenexttime,oryou’llbepunished.
??A.Be?????B.Being????????
C.Tobe???????D.Been
4.Please________becausethisisareadingroom.??
A.quiet??B.tobequiet??
C.toquiet??D.bequiet?;
It’sanimportantmeeting._________(not,be)late.
___________(not,make)anynoise!Yourmotherissleeping.
__________(not,speak)withyourmouthfulloffood.
_________(not,talk)and_______(read)aloud.;5.___________(not,leave)yourhomework
fortomorrow,Larry.
6._______(look)out!Acariscoming.
7._______(give)ustenyearsandjustsee
whatourcountrywillbelike.
8._________(not,let)thebabycry.;三种不同情况下if从句的用法：;IfyoudonotliketheTVprogramme,_turnofftheTV_.;2.Ifyouneedtosendanemail,_youcanturnonthecomputer_.;4.Ifyouwanttogoskating,__pleasewearwarmclothes.;;注意：“祈使句+and/or+陈述句”在意思上相当于一个if引导的条件状语从句。例如：
Studyhardandyouwillpasstheexam.
=Ifyoustudyhard,youwillpasstheexam.
Hurryup,oryou’llbelate.
=Ifyoudon’thurryup,you’llbelate.
;_______wakeupyoursister,Ben.Sheneedsagoodsleep.
A.Don’tB.Doesn’t
C.Aren’tD.Can’t;SorryI’mlate.
—_______tellmethebusbrokedownagain!
A.NevertoB.Not
C.Don’tD.No;_______hardandyou’llsucceedsoonerorlater.
A.StudyB.Tostudy
C.Studying