1、学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX0011祈使句一 祈使句的用法。1. 祈使句的概念。祈使句表命令、警告、提醒、建议、请求、叮嘱、号召等，谓语动词用原形。主语 you 通常省略，句末用感叹号或句号，例如：Knock at the door before entering, please!进来时请敲门！（建议）Look out! There is a train coming.注意！火车来了!（提醒）Wear strong shoes as we shall do a lot of walking.请穿结实的鞋子，因为我们要走许多的路。（叮嘱）Put
2、on your coat at once. We must hurry.立刻穿上衣服，我们必须快点（命令）Give blood if you can and many lives will be saved.如果你能，来献血吧，这会挽救很多人的生命。（号召）2. 祈使句的分类。祈使句分为第二人称祈使句，第一人称祈使句和第三人称祈使句。二第二人称祈使句是以听话人为祈使对象的祈使句，通常用来向听话者发出命令，提出要求或建议。这种祈使句的主语 you 通常不表示出来，而是已动词原形开头，例如：Keep quiet, please!学乐教育每一步 关注成长每一天 咨询电话：020-87249689 X
3、L-JX0012Open the door, please!Hurry up!3. 第一人称祈使句是一 第一人称代词作为祈使句的对象，这类祈使句通常是以 let 为引导词表示建议。句子结构为 let+me/us+动词原形，例如：Lets go out and play！让我们出去玩吧。Lets play a guessing game!我们来玩猜谜游戏吧。Let me have a look!让我来看一看。Let me tell you!让我来告诉你。4. 第三人称祈使句是以第三人称代词或者名词等作为祈使的对象，以 let 为引导词，句子结构为 let+him/her/it/them/名词+
4、动词原形，例如：Let him be here by 10 oclock.让他十点前来这儿。Let her do it by herself.让他 10 点前来这儿。Let it go.让它去吧。典型例题用括号内动词的适当形式填空。Tom,_(do) the homework now.解题思路：该题句首 Tom 后面有个逗号，说明是对 Tom 说话，后面的 说话内容是一个祈使句，应该用动词原形开头，用 do，意思是“Tom，现在做作业吧。”但是有的学生会忽略逗号。误以为是现在进行时的句子，填成 is doing.三否定的祈使句。学乐教育每一步 关注成长每一天 咨询电话：020-87249689
5、 XL-JX00131.第二人称祈使句的否定形式是在整个结构之前加 dont 或 never,例如：Dont be nervous!你不要紧张!Dont make any noise!都别吵人了！Never be late again.别再迟到了。Please dont forget to take your medicine.请不要忘记吃药。2.第一人称祈使句的否定结构。是在动词原形前面加 not,句型为 let me/us/ not do sth. 例如：Lets not waste our time arguing about it!咱们别浪费时间争论这事了！Lets not say a
6、nything about it!这事咱们谁也别说！Lets not go back late.3.第一人称祈使句的否定结构，是在其句首加 didnt,例如：Dont let him play with the fire.让他不要玩火！Dont let anyone come in.就让任何人进来！Dont let them play along the river.别让他们在河边玩。4.“No+名词或动名词”结构表示禁止，一般用于指示、标牌、布告等，例如：No smoking!禁止吸烟！ No spitting!不准随地吐痰！No litter!不准乱扔果皮纸屑！ No entry! 不许入
7、内！No thoroughfare!禁止通行！ No painting on the wall!墙上不准涂写！No admittance except on business!非公莫人！学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX0014典型例题将下列祈使句改成否定句。(1)Lets fly kites now._解题思路：第一人称祈使句的否定结构，在动词原形前面加 not, 句型为 Let me/us not do sth.(2)Let him stay at home alone._第三人称祈使句的否定结构，是在其句首加 dont. 不要和第一人称祈使句的
8、否定结构混淆起来。用动词的适当形式填空。(1)Alice, _ (not be) sad about it.解题思路：该题句首 Alice 后面有个逗号，说明是对 Alice 说话，后面的说话内容是个祈使句，括号里“not be” 提示为祈使句的否定形式，填 dont be,意思是 “Alice, 不要为此而难过了。” 但是有的学生会忽略逗号，填成 isnt.过关演练I 连词成句。001.please, after , read, me_002.down, sit, please.学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX0015_003. here, co
9、me, and, the, blackboard, clean_004.there, go, and , stand, please_005.the, window, close, please_006.Dad, me, a yo-yo, buy, please_007.to, listen, me, carefully, please_008.play,lets. hide-and-seek_009.not, make, lets, mistakes, any_010.be,dont late, class , for_011.Mum, me, give, some, cookies, pl
10、ease_学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX0016012.let,them, dont, play, the, along, river_013.anyone, dont, let, in, come_014.up, hurry, or, be, youll, late_015.turn, the, electric, fan, on, please_II将下列祈使句改成否定句。016.Stop, please._017.Give her a hamburger._018.Brush your teeth now._019.Run around t
11、he house._020.Let the baby laugh._021.Let the bird fly away.学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX0017_022.Let the dog stay in the cage._023.Lets get ready for the picnic._024.Lets watch TV after supper._025.Lets cross the road together._026.Make the bed now._027.Put on your new shoes._028.Let them
12、 finish their work now._030.Let him do it by himself._III.将下列祈使句改成肯定句。031.Dont go there with them._学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX0018032.Dont take a sandwich with you._033.Dont take him to the funfair with tomorrow._034.Dont turn on the TV._035.Dont feed the bird._036.Dont wait for me._037.
13、Dont let her open the window._038.Dont let them eat the sweet._039.Lets not talk about the movie._040.Lets not walk around the tree._IV照样子写句子。例如：Dont smoke.No smoking. 学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX0019041.Dont walking on the grass. _042.Dont make noise. _043.Dont litter. _044.Dont swim her
14、e. _045.Dont feed the animal. _046.Dont touch. _047.Dont climb the tree. _048.Dont paint on the wall. _049.Dont jump off the wall. _050.Dont pick flowers. _051.Dont take photos. _052.Dont eat or drink here. _053.Dont shout. _V.用括号内动词的适当形式填空。054.Dinner is ready._ (lay) the table, please.055._(give) m
15、e some water, please!056._ (fill)the form, please, and_ (sign) your name here.057.Mary ,_ (do) the washing up, please.学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX00110058.Mum,_ (not be) worry. Ill _(be) fine.059.Lets _ (not make) any mistakes.060._ let the dog_ (not follow)me.061. Lets _ (not, chase) the
16、 dog. Its dangerous.062.Lily and Lucy, _ (make) yourselves at home, please.063.Tom,_ (help) yourself to some fruit.064.Norman, _ (take) off your coat if you feel hot.065.Lets _(be) friends and _(keep) in touch.VI.选择填空。( )066. _ me the book, please.A. Pass B. Passing CTo pass( )067. _ make any noise.
17、 They are having an exam.A. Not B. No C Dont( )068. Lets _ camping this weekend.A. go B. going C to go( )069. _ let him _ computer games. Its bad for his eyes.A. Not, play B. Dont, play C. No, playing( )070. _ with fire. Its dangerous.学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX00111A. Dont play B. Play
18、C. Not play( )071. Jack,_ paper plane for me now.A. makes B. make C. is making( ) 072. Dad, _ at home.A. doesnt smoke B. isnt smoking C. dont smoke( )073. Lets _ blow bubbles at home.A. dont B. not C .no( )074. Please go with us,_?A. dont you B. will you C. wont you( )075. Let me help you,_?A. wont
19、you B. will you C. will I ( )076. Let s take a walk. _?A. shall we B. will you C. wont you( ) 077. Work hard, _ you cant pass the exam.A. and B. but C. or( ) 078. Go straight ahead,_ you will see the bank.A. and B. but C. or( ) 079. Put on your coat, _ you will catch a cold.A. so B. or C. and学乐教育每一步
20、 关注成长每一天 咨询电话：020-87249689 XL-JX00112( ) 080. Read more, _ you will know a lot.A. and B. so C. orVII.用祈使句改写下列句子，并保持意思不变。081.You mustnt eat or drink in class._082.You mustnt play football in the street._083.You must listen to the teacher carefully in class._084.You must finish your homework on time e
21、very day._085.You cant take photos in the museum._086.You cant climb the trees in the park._087.You cant swim in the lake.学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX00113_088.You cant jump off the wall._089.You must keep quiet in the hospital._090.You must follow the school rules at school._091.You cant
22、 walk on the grass in the park._092.You cant give up learning English._VIII.根据中午提示，将下列句子翻译成英文，每空一词。093.不要再太阳底下看书，这对眼睛不好。_ _ books in the sun. Its bad for your eyes.094.不要吃太多糖，这对牙齿不好。_ _ too many sweets, its bad for you teeth.学乐教育每一步 关注成长每一天 咨询电话：020-87249689 XL-JX00114095.每天吃一个苹果，你可以不用看医生。_ _ _ a day, and you can keep the doctor away.096.多做点运动，你就可以保持健康。_ _ _ ,and you can keep healthy.097.每天读英语，你的英语就会有进步。_ _ every day, and you can improve your English.098.相信自己，你也做得到。_ in _.You can do it too!099.不要担心，一切都会好好起来。_ _.Everything will be OK.100.永不放弃。 _ _ die.
