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课件网) Unit 7 Teenagers should be allowed to choose their own clothes Grammar Focus-4c 一、语言能力 通过观察Grammar Focus中句子能总结出含情态动词被动语态的句子结 构。学会should，may用于被动语态的句子以及表示同意或不同意的表达 用语及其运用。 二、学习能力 通过在学习中积极与他人合作，保持学习英语的兴趣，能在学习过程中积 极思考和主动探究。 三、文化意识 能够通过本课时的学习，了解中西方在教育下一代的问题上不同的观念 和做法，尊重文化差异。 四、思维品质 能够在老师的引导下,通过观察,归纳等课堂活动,探究含有情态动词的被 动语态结构以及主动语态与被动语态的互换，提高思维的逻辑性与深刻性。 Let’s enjoy the song,then finish the lyric. 1.There’s nothing you can do that _____. can’t be done 2.Nothing you can sing that _____. can’t be sung There’s nothing you can do that can’t be done. Nothing you can sing that can’t be sung. 含有情态动词的被动语态 Do you think teenagers should be encouraged to make their own decisions No, I don’t agree with this. Teenagers are too young to make their own decisions. Teenagers should not be allowed to have part-time jobs. I disagree. They can learn a lot from working. Do you think we may be allowed to take photos if we don’t use a flash If you don’t use a flash, then it may be OK. I don’t think sixteen-year-olds should be allowed to drive. I agree. They aren’t serious enough. Grammar Focus 含有情态动词的被动语态： 情态动词+be+动词的过区分词 Find the passive voice find out the common features. can/ could may/ might will/ would shall/ should must ought to 情态 动词 1.情态动词无时态和人称的变化； 2. 情态动词后加动词原形 1. Teenagers should be allowed to buy their own clothes. 2. Teenagers should be allowed to go out with friends. 3. Teenagers should not be allowed to get their ears pierced. 4. Teenagers should not be allowed to have part-time jobs. 5. Should we be allowed to eat in the class 6. Should we be allowed to run in the hallways 先把下列句子分类，总结句型结构 肯定句： + + + +其他内容 否定句： + + + + +其他内容. 一般疑问句： + + + + 其他内容？ 主语 情态动词 be done 主语 情态动词 not be done 情态动词 主语 be done 肯定句 否定句 一般疑问句 一、被动语态的结构(含有情态动词) 二、一般现在时的被动语态 肯定句：主语+be(is/am/are)+过去分词+(by……). 否定句：主语+be(is/am/are)+not+过去分词+(by……). 一般疑问句：Be(is/am/are)+主语+过去分词+(by……)？ 特殊疑问句：特殊疑问词+一般疑问句？ 如：这辆汽车是中国制造的。The car _____ in China. 这辆车不是中国制造的。The car _____ in China. 这辆车是中国制造的吗？ _____ the car _____ in China 这辆车什么时候在中国被制造的？When _____ the car _____ in China is made isn’t made is made Is made 三、一般过去时的被动语态 肯定句：主语+be(was/were)+过去分词+(by……). 否定句：主语+be(was/were)+not+过去分词+(by……). 一般疑问句：Be(was/were)+主语+过去分词+(by……)？ 特殊疑问句：特殊疑问词+一般疑问句？ 如：这房子是1967年建的。The house _____ in 1967. 这房子不是1967年建的。The house _____ in 1967. 房子是1967年建的吗？ _____ the house _____ in 1967 ... ...
