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Section AGrammar Focus cry all nightstay by ones sidesleep in warm armsrun through the fieldmake surekeep sb. from dangergive sb. a huglift uptalk back整夜哭 待在某人身边 睡在温暖的臂弯里穿过田野 确定;确保 使某人远离危险 拥抱某人 举起,提起 回嘴;顶嘴Translate the phrases.watch scary moviesgive sb. awful dreamsbe back by tenthink back to those timescough for dayshave scary dreamsbe late for schoolstay outregret doing sth.看恐怖电影 带给某人恶梦 在10点前回来回想那些时光 咳嗽好几天 做可怕的梦 上学迟到 待在外面;不回家 后悔做过某事I think students should be allowed to do homework with friends.Sixteen-year-olds should not be allowed to drive.Do you think sixteen-year-olds should be allowed to choose their own clothes?Look at these sentences.含情态动词的被动语态肯定句: 主语+ 情态动词+be+ 动词过去分词.否定句: 主语+情态动词+not+ be+动词过去分词 .疑问句: 情态动词+ 主语+ be+ 动词过去分词?(一)将主动语态动语态 的宾语变宾语变 成被动语态动语态 的主语语 。 (二)将含情态动词态动词 的主动动句式变变成被动动句式 ,即:“情态动词态动词 +动词动词 原形”变变成“情态动态动 词词+be+过过去分词词”,然后再在其后加“by+主 动动句中的主语语(人称代词词用宾宾格)”。by短语语也 可省略。 请请看下列各句:转变方法You should finish your homework first.Your homework should be finished (by you) first. You can take this magazine home. This magazine can be taken home (by you). 含情态动词态动词 的疑问问句、否定句的变变化均需 借助于情态动词态动词 完成。 1. 一般疑问问句:直接将被动语态动语态 的陈陈述句 中的情态动词态动词 提前。 Must this task be finished at once?这项这项 任务务必须须立即完成吗吗?句式变换注意:含情态动词态动词 的被动语态动语态 的一般疑问问句 的回答,应应保留原情态动词态动词 ,但must表“必 须须”时时,其否定回答应应用neednt;need表“必 要”时时,其肯定回答应应用must。如: - Must my exercise book be handed in now?我的练习练习 本必须现须现 在上交吗吗? - Yes, it must. 是的,必须现须现 在上交。 (No, it neednt. 不,不必现现在上交。) - Need he be operated on at once?他必须须立即手术吗术吗 ? - Yes, he must. 是的,他必须须。 (No, he neednt. 不,他不必。) 2. 特殊疑问问句 :由特殊疑问词问词 加上被动语动语 态态的一般疑问问句构成。 When must this task be finished?这项这项 任务务必须须在什么时时候完成? 3. 否定句: 在情态动词态动词 后面加上not或never 即可,但must表“必要“时时否定式为为neednt。 This task neednt be finished at once.这项这项 任务务没必要立即完成。 4. 反意疑问问句:借助情态动词态动词 构成附加疑问问 部分。如: This bridge can be built next year, cant it?这这座桥桥明年能建成,是吗吗? Teenagers should be allowed to choose their own clothes. 应该允许青少年选择他们自己的服装。 Students should not be allowed to have part- time jobs. 不应该允许学生们做兼职工作。 Can these books be taken out of the reading room?可以把这些书带出阅览室吗? When must the work be finished?这些工作必须什么时候完成? 2. Parents should encourage teenagers to do social work for their community.3. Can Lucy do her homework tomorrow instead?Teenagers should be encouraged (by their parents) to do social work for their community.Can the homework be done (by Lucy) tomorrow instead?4a Rewrite the sentences according to the example.4. Do you think we must keep teenagers away from the Internet?5. Parents should give teenagers chances to make their own decisions.Do you think teenagers must be kept away from the Internet?Teenagers should be given chances to make their own decisions.The keysbe askedare allowed4b Fill in the blanks with the correct forms of the words in brackets.be educatedstartmovetakecontinue4c What rules should an English club have? Make a list of rules for it.Sample Dialogue 1A: Members should be allowed to use dictionaries.B: Yes, but they should only use English-English dictionaries.1. Members are allowed to use English-English dictionaries.A: Members shouldnt be allowed to speak Chinese.B: I agree. Only in this way can you improve your English.Sample Dialogue 2Young trees should _ every year.A. be planted B. planted C. plant . 按要求完成下列各句每空一词含缩写 。 1. We must do the work right now. (改为被动 语态)_ _ _ _ _ right now. AThe work must be done. 选择最佳答案。 2. Teenagers should be allowed to go out with their friends on school nights. (改为否定句 )Teenagers _ _ _ to go out with their friends on school nights. 3. A book should be read each month. (改为一 般疑问句) _ _ _ _ _ each month?shouldnt be allowedShould a book be read1. Their work must _ (finish) by four oclock. 2. Your homework should _ (do) by yourself. 3. These books mustnt _ (take) out of the reading room. 4. Should these food _ (keep) dry?be finished be done be taken be kept III. 用所给词的适当形式填空。IV. 句型转换转换 1. You should make up the bed every day. (改 为为被动语态动语态 )The bed _ _ _ up every day. 2. We cant see stars in the day time. (改为被 动语态)Stars _ _ _ in the day time. 3. You must return the book on time. (改为被 动语态的一般疑问句形式)_ the book _ _ on time? should be madecant be seenMustbe returned【2011天津】39. Today a lot of information can _ online.A. receive B. be received C. is received D. receiving 答案:B 【解析】 被动语态动语态 。今天有很多信息能在网 上收到,信息被收到要用被动语态动语态 。含有情 态动词态动词 的被动语态动语态 的构成:情态动词态动词 +be + 过过去分词词。【2011浙江金华华】22. Must we clean the classroom now? No, you neednt. It _ after school.A. may clean B. must clean C. need be cleaned D. can be cleaned 答案:D 【解析】由句意可知it指classroom,it和clean 为为被动动关系,所以用被动语态动语态 ,含有情态动态动 词词的被动语态结动语态结 构为为“情态动词态动词 +be+动词过动词过 去分词词”。排除A和B。need意为
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