《原九年级英语全册 Unit 7 Teenagers should be allowed to choose their own clothes（第3课时）（Grammar Focus4c）同步语法精讲精练课件 （新版）人教新目标版》由会员分享，可在线阅读，更多相关《原九年级英语全册 Unit 7 Teenagers should be allowed to choose their own clothes（第3课时）（Grammar Focus4c）同步语法精讲精练课件 （新版）人教新目标版（8页珍藏版）》请在金锄头文库上搜索。
1、Unit 7Teenagers should be allowed to choose their own clothes.第三课时(Grammar Focus4c)单元同步语法精讲精练含情态动词的被动语态 肯定句式：主语情态动词be动词的过去分词(by.)eg：Teenagers should be allowed to choose their own clothes.青少年应该被允许选择他们自己的服装。否定句式：主语情态动词notbe动词的过去分词(by.)一般疑问句式：情态动词主语be动词的过去分词(by.)?肯定回答：“Yes，主语情态动词”；否定回答：“No，主语情态动词not”。
2、【注意】含must的一般疑问句作否定回答时应用neednt；而含need的一般疑问句作肯定回答时应用must。eg：Must all the rooms be tidied up？所有的房间都必须整理好吗？Yes，they must.是的，必须整理好。No，they neednt.不，不必都整理好。Need he be operated on at once？他需要立即手术吗？Yes，he must.是的，他必须。No，he neednt.不，他不需要。特殊疑问句式：疑问副词/代词(不作主语)情态动词主语be动词的过去分词(by.)?疑问代词(作主语)情态动词be过去分词(by.)?eg：Wh
3、en can my computer be repaired？我的电脑什么时候能修好？【拓展】不能用被动语态的几种动词：不及物动词不能用于被动语态。如：die，happen，take place等。感官动词、半连系动词没有被动态。如：feel，become，get，look，seem等。有些动词用主动形式表被动意义。eg：This pen writes well.这支笔很好写。 一、用括号内所给动词的适当形式填空。1Many more trees should _ (plant) this year.2Must the work _ (finish) by 6：30 this afternoo
4、n?3How can the lost boy _(find)?4The stars can _ (not see) in the daytime.5Can this kind of bike _(buy) in that shop?be plantedbe finishedbe foundnot be seenbe bought二、按要求完成句子，每空一词。6Nobody can answer the question.(改为同义句)The question _ _ _ by anybody.7We should brush our teeth twice a day.(改为被动语态)Our
5、 teeth should _ _ twice a day.8Can you take care of the children？(改为被动语态)_ the children _ _ care of?9The classroom must be cleaned after_school(对画线部分提问)_ _ the classroom_ _?10We must wash our hands before meals.(改为被动语态)Our hands _ _ _ before meals.cant be answeredbe brushedCanbe takenWhen mustbe cle
6、anedmust be washed本课时其他知识点精讲精练 chance可数名词，意为“机会；可能性”。a chance of doing sth./a chance to do sth.做某事的机会educate动词，意为“教育；教导”。【拓展】education名词，意为“教育”。keep.away from避免接近，远离make ones own decision自己做决定1Mr. Jones got great support from his _(社区)2I hope to have a _ (机会) to explain it to you.3I will not be able to _ (应付) the situation without your help.4The old in our _ (社会) need care and protection.5Parents should _(教育) their children to behave well.6你应当学着自己做决定。You should learn to _ _ _ _7请远离那台机器！Please _ _ _ the machine!communitychancemanagesocietyeducatemake your own decision(s)keep away from
