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　　unit 2 what should i do?
　　【单元目标】
　　1．单词与短语
　　stereo, loud, argue, original, serious, style, wrong, argument, either, teen, talk, family, tutor, haircut, caller, except, upset
　　want sb. to do sth.
　　play one’s stereo
　　stay at home
　　argue with sb / have an argument with sb.
　　be out of style
　　write sb a letter/write to
　　talk about
　　on the phone
　　surprise sb.
　　pay for
　　get a part-time job
　　borrow sth. from sb.
　　ask sb. for…
　　have a bake sale
　　find out
　　be upset
　　call… up
　　the same as
　　get on well with sb.
　　return sth.
　　have a fight with sb.
　　from…to…
　　drop off
　　prepare for
　　after-school clubs
　　be used to
　　fill up
　　take the middle road
　　2．目标句型：
　　1. what should i do?
　　2. why don’t you….?
　　3. you could …
　　4. you should…
　　5. you shouldn’t….
　　3．语法
　　情态动词的用法 ⅰ
　　【重难点分析】
　　情态动词(modal verbs )ⅰ
　　* 情态动词也可称为＂情态助动词 (modal auxiliaries)＂，因为它和基本助动词(be,do, have)都属于助动词类。
　　* 情态动词和其他动词连用，可表示说话人的语气。
　　* 情态动词可表达建议、要求、可能和意愿等。
　　* 情态动词没有人称和数的变化。
　　* 常用的情态动词有：can, could, may, might, must, shall, should, will, would这九大情态动词；其他的还有ought to, need, dare 等。
　　一、九大情态动词的时态关系：
　　1. 现在式 can -- 过去式 could
　　2. 现在式 may -- 过去式 might
　　3. 现在式 shall -- 过去式 should
　　4. 现在式 will -- 过去式 would
　　5. 现在式 must -- 过去式 must （常用had to来代替）
　　二、情态动词表示＂可能＂或＂预测＂
　　(can, could, will, would, shall, should, must, ought to)
　　（1）can 和 could 用于表示＂可能＂或＂预测＂：
　　1. he can＂t be at home. (否定句)
　　 他不可能在家。
　　2. can the news be true ? (将情态动词 can 置于主语 the news 前就成疑问句)
　　 　这消息可能是真的吗?
　　3. anybody can make mistake. (只表示理论上的可能性)
　　 任何人都可能犯错误。
　　（2）may 和 might 用于表示＂事实上的可能性＂或＂预测＂：
　　1. it may rain tomorrow. (表示可能会发生)
　　 明天可能会下雨。
　　2. it may snow later this afternoon. (表示预测)
　　 今天下午可能会下雪。
　　3. you might be right. (表示有可能)
　　 你可能是对的。
　　（3）will 和 would 用于表示＂预测＂或＂习惯性＂：
　　1. i think he will be all right now. (will be 表示一定会)
　　 　我想他现在一定好了。
　　2. that would be his mother.(would be 表示肯定是)
　　 　那肯定是他母亲。
　　3. he will sit there hour after hour looking at the river.(will 表示经常的)
　　 　他经常一连几个小时坐在那儿看着河水。
　　（4）shall 和 should 用于表示＂必定＂：
　　1. i shall be rich one day. (shall be )
　　 总有一天我会发达的。
　　2. that should be sam and his mother. (should be)
　　 那准是sam 和他的母亲。
　　（5）must 用于表示＂必定＂，＂必会＂：
　　1. this must be good for you.(must be 肯定)
　　 这肯定对你是有益的。
　　2. all mankind must die.(表示必然会发生的事)
　　 所有的人一定会死的。
　　3. mustn＂t there be a mistake ? (mustn＂t 多用于疑问句)
　　 那肯定会有错误吗？
　　三、情态动词表示＂许可＂、＂请求＂
　　(can, could, will, would, shall, should, may, might, must)
　　（1）can 和 could 用于表示＂许可＂、＂请求＂：
　　1. can i go with you ? (请求)
　　 我能跟你一起走吗？
　　2. father said i could go to cinema. (表示过去的许可)
　　 爸爸说我可以去看电影。
　　3. could i ask you something ? (请求,用 could 比 can 更婉转)
　　 我可以问你一件事吗？
　　（2）will 和 would 用于表示＂请求＂
　　1. will you kindly tell me the way to the post office ?　(表示客气请求)
　　 请问到邮局怎么走？
　　2. would you give me your address ? (用 would 比 will 表示更客气)
　　 请你告诉我你的地址，好吗？
　　（3）shall 和 should 用于第一人称，表示征求对方的意见
　　1. shall we talk?
　　 我们谈谈好吗？
　　2. what should we do next ? (用should 比 shall 表示更客气)
　　 下一步我们该怎么做？
　　3. shall he come to see you ? (用于第三人称疑问句)
　　 要不要他来看你？
　　（4）may 和 might 用于表示＂许可＂(口语中多用 can )
　　1. you may take a walk. (表示给予许可)
　　 你可以散散步。
　　2. you might read the story for me. (比may更婉转)
　　 是否请给我读一读这故事。
　　3.may i make a suggestion?
　　 我可以提个建议吗？
　　4. might i take a look of your work?
　　 我看看您的大作行吗？
　　5. students may not make noise in the library. (may not 表示不许可或禁止)
　　 学生不得在图书馆里吵闹。
　　6. if i may say so, you are not right. (用于条件句，表示请求)
　　 你是不对的，如果我可以这么说的话。
　　（5）must 用于表示＂禁止＂，＂不准＂：
　　1. cars must not be parked here. (must not表示不许可)
　　 此地不准停车。
　　2. all of you mustn＂t fishing in the pool. (must not 语气方面比 may not 更强)
　　 你们不准在池里钓鱼。
　　检测练习：
　　一．选择填空：
　　1. i ________ home until i finish my homework.
　　a. won’t go
　　b. will go
　　c. go
　　d. went
　　2. i don’t know if she _________ tomorrow, if she _______, i’ll call you.
　　a. comes, comes
　　b. will come, will come
　　c. will come, comes
　　d. comes, will come
　　3. there ________ more people in the next 5 years.
　　a. is
　　b. are
　　c. will have
　　d. will be
　　4. she tried _______ about her journey, but she found it difficult.
　　a. didn’t to worry
　　b. to not worry
　　c. not worrying
　　d. not to worry
　　5. i think ________ food is fried chicken in the usa.
　　a. more popular
　　b. most popular
　　c. the most popular
　　d. popular
　　6. when you go to see your father, please ________ these books to him.
　　a. bring
　　b. take
　　c. carry
　　d. put
　　7. his backpack is the same ________ tom’s.
　　a. at
　　b. as
　　c. from
　　d. in
　　8. i argued ________ my good friends yesterday. what should i do?
　　a. of
　　b. with
　　c. at
　　d. to
　　9. han mei _________ a book from the library a week ago.
　　a. lent
　　b. returned
　　c. borrowed
　　d. wanted
　　10. --- what can i do for you, sir?
　　---i’m ________ a book on history.
　　a. making out
　　b. finding out
　　c. looking for
　　d. working out
　　二．用适当的词或词组填空：
　　more than　　get on well　　ask…for
　　credit　　　 except　　　 　get a part-time job
　　1. are you ___________________ with your classmates?
　　2. there are _________________ three thousand students in our school.
　　3. he bought all these things on ____________.
　　4. why don’t you _________your parents _______ help?
　　5. mike always _______________ to pay for his tuition.
　　三．连词成句：
　　1. you, should, maybe, parents, ask, help, for, your
　　 _________________________________________________________.
　　2. want, it, to, on, phone, i, talk, about, the
　　 　_________________________________________________________.
　　3. soccer, popular, is, very, the, world, all, over
　　 _________________________________________________________.
　　4. have, a, fight, your, with, did, classmate, yesterday, you
　　 　_________________________________________________________?
　　5. pollution, will, there, less, the, in, future, be
　　 _________________________________________________________.
　　四．阅读理解
　　what do we know about the sea? most of us have seen it. we know that it looks very pretty when the sun is shining on it. we also know that it can be less pretty when the weather is terrible. what other things do we know about it? the first thing is that the sea is very big. look at the map of the world and you’ll find there is less land than sea. the sea covers 3/4 of the world. the sea is very deep in some places. some parts of the sea are very shallow. at a place near japan, the sea is nearly 11kilometers deep! if the highest mountain in the world were put into the sea at the place, there would be two kilometers of water above it.
　　1. which of the following is true according to the passage?
　　a. the sea always looks pretty.
　　b. the sea always looks terrible.
　　c. the sea looks neither pretty nor terrible when it is fine.
　　d. the sea doesn’t look pretty all the time.
　　2. what will you find if you look at a map of the world? we’ll find _______.
　　a. there’s much more water than land
　　b. the sea covers three fourths of the land
　　c. the land covers one-third of the sea
　　d. the sea was very pretty
　　3. this passage tells us that ________.
　　a. the sea is very shallow　　 
　　b. the sea is very deep
　　c. the sea is neither shallow nor deep
　　d. the depths of the sea in different places are quite different
　　4. the word ＂it＂ in the last sentence of this passage means ________.
　　a. the water
　　b. the mountain
　　c. the sea
　　d. japan
　　5. the best title for this passage is ________.
　　a. the big sea
　　b. the sea and its depths
　　c. something about the sea
　　d. sea and land
　　参考答案：
　　一. 1—5 acddc 6—10 bbbcc：
　　二.
　　1. getting on well
　　2. more than
　　3. credit
　　4. ask， for
　　5. gets a part-time job
　　三.
　　1. maybe you should ask your parents for help.
　　2. i want to talk about it on the phone.
　　3. soccer is very popular all over the world.
　　4. did you have a fight with your classmate yesterday?
　　5. there will be less pollution in the future.
　　四. dadbc