小学英语祈使句讲解及练习

01什么是祈使句用来表示请求、命令、叮嘱、建议等的句子叫祈使句特点）谓语动词用原形1）句子没有主语2）句末使用感叹号或者句号3例:Open the door quickly!快打开门！02祈使句用法祈使句的肯定句

1.）以系动词开头的祈使句1be这种句式的结构是动词+其它成分（形容词、名词或介词短语等）Be例如Be quiet/quick!Be agood student!本句命令不要在河里独自游泳，有危险否定祈使句

2.B.肯定祈使句，动词原形开头…意为沿着这条街……

3.A.Walk alongthe street否定祈使句，命令别人不要做某事动词原形前加

4.A.dont将以下祈使句改为否定式II.

1.Dont comehere early.

2.Dont askhim.

3.Dont waitfor her,please.

4.Dont readthe book carefully.

5.Dont situnder the tree,please.

6.Lets notgo there together.句型转换III.

1.Read it

2.shall we

3.Dorft sit

4.will you

5.will/wont you用括号内所给动词的适当形式填空IV.

1.Dont be

2.Dont make

3.Dont speak,be

4.Dont talk,read

5.Dont leave

6.Look out

7.Give

8.Dont let

9.will catch

10.not sayBecareful whencrossing thestreet.以实义动词开头的祈使句2这种祈使句的常用结构为行为动词原形+其它成分例如请进！Come in,please!请起立Stand up,please.=Please standup.句型3let这种祈使句的常用结构为动词原形；或者是宾语+其他Lets/let us+Let+我们一起踢足球吧!Lets playfootball!让我来帮你Let mehelp you.祈使句的否定句

2.动词原形1Don t+另粗心Don tbe careless,U不要再迟到Dont be late again.别让他们玩火Don tlet themplay with fire.不要看书Dont lookat yourbooks.引起的祈使句的否定形式2Let动词原形a.Let sLet sb.+not+对于这件事,咱们什么也别说Let snot say anything about it.别让他们玩火Let themnot play with fire.，宾语+动词原形+其他b.Don t+let+别让吉姆做那事Dont letJim dothat.请不要让我们走Dont let us go,please.）在公共场合的提示语中，否定祈使句常用名词形式”结构，表示“禁3“No+/V-ing止做某事”例如禁止拍照！NO PHOTOS!禁止停车！No parking!祈使句的反意疑问句

3.）肯定祈使句的反意疑问句反问部分用或1will youwon tyou请把门打开，好吗？Please openthedoor,will/wont you你一定要给我们写信，好吗？Be sureto writeto us,will/wont you）否定祈使句的反意疑问句反问部分只用2will you另再迟至了，行不行？Don tbelate again,will youU U不要在会议室抽烟,好吗？Dont smokein themeeting room,will you）以开头的祈使句反意疑问句反问部分用3let sshall we我们把电视打开，好吗？Let sturn on the TV,shall we以开头的祈使句反意疑问句的反问部分应为或letuswill youwon tyou请（你）让我们留在这好吗？Let usstay here,will/won tyou祈使句的回答

4.祈使句的动作通常是表示将来发生的动作回答祈使句时，一般用或will wont在回答具有否定意义的祈使句时，要注意两点）形式一致即与保持一致；与保持一致1Yes willNo wont2）意思相反即是不的意思；是“是的意思Yes No在回答时，要注意分析上下文语境中所提供的条件例如—Dont goout,please.Its rainingheavily outside.请不要出去外面雨下得很大—Yes,I will.I haveto meetmy brotherat theairport.不行，我得去机场接我弟弟祈使句使用时应注意的问题

5.）在表达请求或劝告时、有时为了表示委婉的语气，可以在句首或句末，但是1please如果加在句末，应用逗号将其与前面的部分隔开please例如请坐Sit down,please.请照顾一下双胞胎Please lookafter thetwins.）在意思比较明显的情况下，可以把谓语动词省略2例如请这边走This way,please.）有时为了加强语气，可以在动词前使用3do例如一定要小心！Do becareful!）有时为了强调对方，也可加上主语人名或等不定代词4you,everybody,anybody例如你来扫地我来擦窗户You sweepthe floorand Iclean thewindow.请大家起立Stand up,everybody.）有时为了明确向谁提出请求或发出命令，可加称呼语，但称呼语要与句子用逗号5隔开例如Put theshirt onthe bed,Jim.吉姆，把衬衫放床上03练习

1.withfire.Its verydangerous.A.Playing B.Play C.Dont playD.Doesnt play

2.Dont theradio.The babyis sleeping.A.turn offB.turn onC.turn overD.turndown

3.hard and youll makeprogress inEnglish.A.Work B.To workC.Working D.Worked

4.worried aboutme Mom.Ive grownup.A.Dont B.Dont be C.Not D.Not be

5.lateagain,Bill!A.Don tto beB.Don tbeC.Not beD.Be not（直至）

6.cross theroad untilU thetraffic lightsturn green.A.Not B.Won tC.Doesn tD.Don t

7.Please helpme carryit,A.will IB.will you C.shall ID.shall we

8.Don tmake somuch noise,A.will youB.won tyouC.shall weD.do you

9.Kate,__your homeworkhere tomorrow.A.bring B.brings C.to bringD.bringing

10.me thetruth,or I11be angry.参考答案A.Telling B.To tellC.Told D.Tell从句子的后面意思可以判断前面应该用否定句，本句子是祈使句，祈使句的否定

1.C.句是在句子前面加助动词在句子开头要大写dont本句子是考查祈使句的否定句的用法从后面句子的意思“孩子在睡觉”可以理

2.B.解前面的句子是用祈使句的否定句表示“不要打开收音机”的意思本句为祈使句的肯定句祈使句的肯定句以动词原形开头，故本题选

3.A.Ao句是祈使句的否定句，祈使句的否定句用动词原形，

5.B.Bill be式以开头，后面用的原形Don be本句是行为动词的祈使句的否定式，在句首加

6.D.Dont肯定祈使句的反义疑问句，用或者

7.B.will youwontyou否定祈使句的反义疑问句用

8.A.will youo祈使句以动词原形开头

9.A..祈使句以动词原形开头

10.D04真题

1.onthegrass,or itwill“cry”.A.To walkB.Not towalkC.WalkD.Dont walk

2.swim inthe riveralone,Karen.Its toodangerous.A.NotB.DontC.Doesnt

3.along thisstreet,andyoucan findthe hotelon yourright,nextto themarket.A.WalkB.To walkC.WalksD.Walking

4.Daniel,playwiththe mobilephone whileyoure walkingin thestreet.A.dontB.doesntC.wontD.cant将以下祈使句改为否定式H.

1.Come hereearly.

2.Ask him.

3.Please waitfor her.

4.Read thebookcarefully.

5.Sit underthetree,please.

6.Lets gotheretogether.句型转换III.（改为祈使句）

1.Will youplease readit again more slowlyagainmoreslowly,please.（改为反意疑问句）

2.Let swatch thesports games.Let swatch thesports games,_________________（改为否定句）

3.Please sitnext toNancy.next toNancy.关掉改为反意疑问句

4.Don tforget toturn offthe lights,please.Don tforget toturn offthelights,_____________________________________改为反意疑问句

5.Come tomy housetomorrow.Come tomy housetomorrow,用括号内所给动词的适当形式填空IV.

1.Its animportant meeting.not,belate.

2.not,make anynoise!Your motheris sleeping.

3.not,speak withyour mouthfull offood and____________________________bepolite.

4.not,talk and______________________read aloud.

5.not,leave yourhomework fortomorrow,Larry.

6.look out!A caris coming.

7.give usten yearsand justsee whatour countrywill belike.

8.not,let thebaby cry.

9.Wear moreclothes oryou_____________catch acold.

10.Lets not,sayanythingaboutit.参考答案祈使句的否定句，直接在动词原形前加

1.D.donl。