1、专题三祈使句 祈使句是用来表示请求、命令、劝告或建议等的句子。祈使句习惯上常常省略主语，句末用感叹号或句号，朗读时一般用降调。如：No smoking!禁止吸烟！Dont play with fire!不要玩火。考点一 祈使句的形式 1祈使句的肯定式 谓语动词用原形。如：Look at the blackboard.请看黑板。2祈使句的否定式 动词前加dont，也可用never。如：Dont worry.别担心。Never do that again！再也不要那样做了！3祈使句的let式 如：Lets go home！我们回家吧！4祈使句的强调式 肯定祈使句前可用助动词do来加强语气。如：Do
2、 study hard at school.在学校一定要好好学习。5不含动词的祈使句 某些名词、形容词或副词等后面加感叹号，也可作为祈使句使用。如：Quick!快点！No parking!请勿停车！考点二 祈使句的分类 1表示请求 如：Turn on the radio,please.请把收音机打开。Please wait for me!请等我一下。2表示命令 如：Stop talking!别讲话！Dont make noises.不要喧哗。3表示提醒或警告 如：Look out!The car is coming.当心！车来了。4表示禁止 如：No photos.禁止拍照。No swimmi
3、ng.禁止游泳。5表示邀请 如：Please join us!请加入我们吧！Have some fruit!吃些水果吧！【例1】单项选择。()1.T om，_your shoes，please.Awash Bwashes Cis washing()2.Please_；its very dangerous.Acareful Bdont careful Cbe careful?思路点拨：第1题是祈使句的肯定形式，用动词原形开头。第2题表示“小心”，注意不要漏掉动词be。【答案】1.A 2.C 【例2】给下列标志图选择恰当的英文标志语。ANo parking.BNo smoking.CNo fish
4、ing.DNo drinking.ENo photos.FNo swimming.?思路点拨：本题和学生的生活密切相关。所给的标志图都是公共场所的常见标志，清楚了标志的含义和祈使句的意义，将二者恰当配对，本题就做出来了。【答案】1.E 2.B 3.A 4.F 5.D 6.C 知识检测知识检测17祈使句(训练时间：40分钟分值：100分)一、英汉互译。(20分)1小声讲话。Talk quietly.2保持桌面整洁。_ Keep your desk clean.3当心！Be careful！4看我！Look at me！5穿上你的大衣。Put on your coat._ 6Dont worry！
5、别担心！7Open it and see!打开看看！8Just a minute.稍等一会儿。9Stop and wait.停止并等待。10Dont be sad.别伤心。二、看图片，选择相应的句子并连线。(9分)三、判断下列句子，是祈使句的在括号中画“”，不是的画“”。(10分)1Take off your jacket.()2Lets play games.()3How beautiful the girl is！()4How are you？()5What an interesting movie it is！()6Drink some tea,please.()7How clever
6、you are！()8Dont play football in the classroom.()9Close the window,please.()10They are my good friends.()四、单项选择。四、单项选择。(20分)(A)1.Be quick!_ late for class.ADont be BNot be CBe not DBe(A)2.Lets _ the classroom.Aclean Bcleaning Cto clean Dcleaned (B)3.He is not honest(诚实)._ believe him.ANot BDont CTo
7、not DNot to(C)4._ in the street.Its dangerous.ANot play BNot to play CDont play DDont to play (D)5._ your hands before the meal.AWashing BWashed CTo wash DWash(A)6.Let me _ a look at your new schoolbag.Ahave Bto have Chaving Dhas(B)7.Please _ worry.Adont to Bdont Cnot to Dnot(A)8.Which sign can you
8、find in the library?(C)9.Its time to go to bed.Please _ the TV.Aopen Bturn on Cturn off Dclose(A)10.Its cold._ the window,please.ADont open BDont close COpening DOpen 五、选择正确的单词完成句子。五、选择正确的单词完成句子。(15分)1_ Be_(Be,Is)careful.The bus is coming.2John，_ do_(does,do)your homework quickly!3Nancy,please _dont
9、 _(not,dont)open the window.4_ Dont _(Not,Dont)chat with your friend now.5Lets _play _(play,plays)games together.六、看图，选择符合图意的句子，将序号填在题前括号内。六、看图，选择符合图意的句子，将序号填在题前括号内。(6分)(A)1.ATake off your coat.BPut on your coat.CPut away your coat.(C)2.AKeep quiet.BWork quietly.CKeep your desk clean!(A)3.ALets play
10、 cards.BLets play chess.CLets play games.七、根据所给信息选出正确的说法。七、根据所给信息选出正确的说法。(10分)(B)1.走在公园里，工作人员会提示你说：ADont smoke here.BKeep off the grass.CBe quiet,please.(A)2.观看射击比赛时，有人在大声喧哗，你应该提示他说：ABe quiet,please.BShout loudly,please.CStop shouting.(B)3.有同学在图书馆里大声说话，你应提示他说：ALets not read books here.BKeep quiet!CD
11、ont walk here.(B)4.当你为别人指路时，你会说：AWelcome.BThis way,please.CPlease ask others.(A)5.在学校门前禁止停车，你应该提示大家说：ANo parking!BNo car!CNo photos!八、将下列句子改成祈使句。八、将下列句子改成祈使句。(10分)1You must not look out of the window._ Dont _ _ look_ _out_ _of_ the window.2You may let the children play the piano._ Let_ _the _ _ children _ play the piano.3You shouldnt eat too much junk food._ Dont _ _eat_ _too _ _much _ junk food.4Will you please not play with my pencil?_ Dont _ _ play _ with my pencil,_please _ 5You should get home before eight oclock._ Get_ _ home _ _ before _ _eight _ _ oclock_.
