《2016-2017学年高中英语unit21humanbiologysectionⅵgrammar情态动词和表达法课时语法专练北师大版选修》由会员分享，可在线阅读，更多相关《2016-2017学年高中英语unit21humanbiologysectionⅵgrammar情态动词和表达法课时语法专练北师大版选修（3页珍藏版）》请在金锄头文库上搜索。
1、Unit 21Section 6 情态动词和表达法.单句改错1When he was a little boy，he used to swimming in the river nearby._ 答案：swimmingswim2She mustnt have been to your home.She doesnt know your address._ 答案：mustntcant3Its hard to say what kind of person he is.Sometimes he is very friendly；at other times he may be very cold.
2、_ 答案：maycan4Daddy，can you buy me a new MP5 when you go to Beijing?You will get one if you are admitted to a key middle school._ 答案：willshall5Must I finish all the work before noon?No，you mustnt._ 答案：mustntneednt/dont have to6You cant return the dictionary now.You can keep it till next week if you li
3、ke._ 答案：cantneednt7Dare you to tell your parents your school records?_ 答案：去掉to8Could I use this computer?Yes，you could._ 答案：答语中的couldcan9If you may go，at least wait till the rain stops._ 答案：maymust10She told him he ought not do it._ 答案：not后加to11Must I have a word with you？It wont take long._ 答案：Must
4、Can12What are you doing this Saturday?Im not sure，but I should go to the Rolling Stones concert._ 答案：shouldmight.完成句子1你会遭到报应的。You_suffer for this.答案：shall2你竟然对你的父母做出那样的事。You_that to your parents.答案：should have done3离开水，鱼会死的。Fish_die out of water.答案：will 4你们以前是朋友吗？_be friends?答案：Used you to/Did you u
5、se to5在当地向导的引领下我们两个得以过河而逃离了敌军。We two_cross the river and escaped from the enemy with a local guide leading the way.答案：were able to6你们的新保姆怎么样？我们找不到更好的了。我们的孩子们都很喜欢她。Hows your new babysitter?We _ask for a better one.All our kids love her so much.答案：couldnt7我仍然记得我的快乐童年，那时母亲常会在周末带我去迪斯尼乐园。I still remember
6、 my happy childhood when my mother_take me to Disneyland at weekends.答案：would8我感到很不好受，虽然他们自己很穷，竟然还给我带来食物。It was sad to me that they，so poor themselves，_bring me food.答案：should.用所给动词的适当形式填空1If the enemy _ (dare) to invade us，well wipe them out.答案：dares2You neednt_ (tell) them what had happened betwee
7、n us.答案：have told3You _(pass) the exam early，but you were so careless as to make so many mistakes.答案：could have passed4Look what youve done！You ought to_(do) the experiment more carefully.答案：have done5He cant_(write) this letter because it is German and he doesnt know German.答案：have written6I_( not，enjoy) myself moreit was a perfect day.答案：couldnt have enjoyed
