祈使句通常用来表示命令、请求、禁止、建议、警告等语气。
它的主语you(听话人)通常省略。
其构成通常有以下几种形式。
1)Be型（即系动词原型be+表语＋其他）。
如：Be quiet, please.否定句Don’t + be+表语+其他。
如：Don’t be angry.2)Do型（即实义动词原形＋宾语＋其他）。
如：Give me some money ,please.否定句Don’t +实义动词原形+宾语+其他。
如：Don’t eat in the classroom.3)Let型（即Let+宾语+动词原形+其他）如：Let me help you.Let’s go at six o’clock.否定句一般在宾语后加not。
如：Let’s not watch TV.4)No+ V-ing型（此种形式通常用于公共场合的提示语中，意为“禁止做某事“）如：No smoking!严禁吸烟！No taking photos! 不许拍照！No passing!禁止通行！No parking!不许停车难点1.祈使句的反义疑问句2. 对于祈使句的回答，肯定用will 否定用won’t3. 与非谓语动词做主语的句子的辨析判断句中是否有谓语，如果有，则是非谓语动词，反之，则是祈使句。
Spending more time talking with your parents makes then well understand you.Spend more time talking with your parents, and they can well understand you.以how 引导的特殊疑问句总结1.How many / how much2.How tall / How high3.How long /How far / How soon / How often1)How long does it take you to get to school?----How long have you learnt English?----_____ 3 years.How long is that rope?2)How far is it from A to B?=__________________?3)――How soon will you arrive in Beijing?----____ 3 hours.花费的辨析（take, spend, cost, pay）辨析：Too manyToo muchMuch too辨析either neither both none all1.Entering t he room, the headmaster said, “Everyone, _________ quiet, please.”A. keepB. keepsC. is keepingD. to keep2.---How long may I _____your dictionary?--- For one week. But it mustn’t ______to others.A. Keep; be lentB. Borrow; lendC. Lend; be borrowedD. Have; borrow3.If they don’t understand it the first time, _________ over it again until they do.A. goingB. to goC. goneD. go4.I often go to bed late because I have_________ homework to do every day.A.too manyB.too muchC.many tooD.much too5.We forgot to bring our tickets, but please let us enter,____?A. do youB. can weC. will youD. shall we6.---_______will your father come back from Beijing?--- In two days.A. How farB. How oftenC. How longD. How soon7.—Write to me when you get home. —_____A. I mustB. I shouldC. I willD. I can8.Although Mary is a new teacher, she knows _____ student in her class.A. eitherB. allC. everyD. none9.I made a call to my parents yesterday, but _____of them answered it.A.eitherB.noneC.neitherD.nobody10.Either the judge or the lawyers ___ wrong.A. doesB. makeC. isD. are11.— Don't forget to come to my birthday party tomorrow. —______A. No. I don't.B. No. I won't.C. No. I can't.D. No. I haven't.12. ----How do you come to school?----By bike. Taking a bus may _____ much money. And walking ______ too much time.A. take; paysB. cost; takesC. pay; costsD. pay; takes13.When your mother comes back, _________ her to come to school at once.A. askB. askingC. askedD. to ask14.While the baby is sleeping, _________ your work as soon as possible.A. finishB. finishingC. finishedD. to finish15._________ the road round to the right and you’ll find his house.A. FollowB. FollowingC. To followD. Followed16.Mary, _________ here — everybody else, stay where you are.A. comeB. comesC. to comeD. Coming17.________ is a good form of exercise for both young and old.A. The walkB. WalkingC. To walkD. Walk18.--What do you think made Mary so upset？— ________ her new bike.A. As she lostB. LostC. LosingD. Because of losing19.______in downtown area requires higher attention.A.DrivingB. DriveC. Being drivenD. Drove20..American students spend ________ time _________ homework than Chinese students.A. fewer, doingB. less, to doC. less, doingD. least, doing21._______ milk every day is good for our health.22._______ milk every day，because it is good for our health.A. DrinkB. DrinkingC. Drunk23.This kind of computer _______ too much. I can't afford one.A.takesB. spendsC. paysD. costs24.______ her husband, she has now become a famous film star.A. Thanks forB. BecauseC. Thanks toD. With the help25.Nick can arrive at school _______time.A. inB. onC. atD. for26. It will ________ us several years to learn a foreign language well.A. costB. takeC. spendD. use27.I have a lot of fun.（用never改为否定句）I ________ _________ ________fun.28.We do morning exercises outside every morning.(用let改写)_______ ______ morning exercises outside everymorning.29.You must make the bed every day.（改为同义句）You ______________make the bed every day.30.You can’t be late for school.（改为否定祈使句）________ ________ late for school.31.The boy usually gets to school on foot.同义句The boy usually ________ ________ school.32.It takes about an hour to get to the library. (划线提问)________ ________ does it take to get to the library?33.Mary goes to the train station by subway.________ ________ Mary go to the train station?1.get to school 到达学校2.take the subway 乘地铁3.ride a bike 骑自行车4.how far 多远5.from home to school 从家到学校6.every day 每天7.take the bus 乘公共汽车8.by bike 骑自行车9.bus stop 公共汽车站10.think of 认为11.between …and …在…和…之间12.one 11-year-old boy 一个11岁的男孩13.play with …和…玩e true 实现15.have to 不得不16.walk to school 走路上学17.drive one's car to do…开某人的车去做……18.from here 从这儿19.every day 每天：天天20. think of 认为21. bus stop 公交车站点22.train station 火车站？23.between…and在…..和……之间e true 实现，成为现实25.by bus /train 乘公交车/火车26.run too quickly for…对……来说流得太急27.It is adj+(for) sb. to do sth…做……怎么样28.cross the river 通过河29.one (an)11-year-old boy 一个11岁的男孩30. be not afraid不害怕31. love to do sth.=like to do sth喜欢做……32. play with sb/sth 和某人玩耍；玩耍某物33. be like…to sb. 像……一样对……34. like this 像这样35. It is one's dream to do…做……是某人的梦想。