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课件网) Unit 7 Teenagers should be allowed to choose their own clothes Section A GF — 4c How will your life be like in 100 years Can you say any sentences People will have robots in their homes. Books will only be on computers, not on paper. Everything will be free. People won’t use money. free People will live to be 200 years old. Kids won’t go to school. They’ll study at home on computers. There will be only one country. Fill in the blanks with more, less or fewer. In the future, there will be _____ fresh water because there will be _____ pollution in the sea. In 100 years, there will be _____ cars because there will be _____ people in the cities. more less more more There will be _____ jobs for people because _____ robots will do the same jobs as people. I think there will be _____ cities because people will build _____ buildings in the country. In 50 years, people will have _____ free time because there will be _____ things to do. more fewer more more more fewer What will the future be like Cities will be more polluted. And there will be fewer trees. Will people use money in 100 years No, they won’t. Everything will be free. Will there be world peace Yes, I hope so. Kids will study at home on computers. They won’t go to school. Countable nouns Uncountable nouns There will be more people. There will be fewer trees. There will be more pollution. There will be less free time. (名词，和平） 观察例句中含情态动词被动语态的各种形式，补全结论中所缺的内容。 【例句】 1. Many trees should be planted in the mountains. 含情态动词的被动语态的结构为：情 态动词+____+及物动词的_____。 be 过去分词 含有情态动词的被动语态 2. This problem can’t be worked out very easily. 变为否定句时只需要在情态动词后加 _____。 3. You can take this book home. （改为被 动语态） →This book can be taken home (by you). 含有情态动词的主动语态变为被动语态 时，要把主动语态的_____变成被动语 态的主语。 not 宾语 4. —Should the car be washed now —Yes, it should. / No, it shouldn’t. 汽车必须现在洗吗？ 是的，必须现在。/ 不是，不用。 变为一般疑问句时只需把_____提 到句首。结构为_____+ 主语 + be + 及物动词的过去分词(+ 其他)？ 肯定回答：Yes，主语 + 情态动词. 否定回答：No，主语 + _____. 情态动词 情态动词 情态动词+not This book is made of paper. 2. The grapes are produced in Daze Mountain. 3. The waste water is poured into the river. 不知动作执行者时,常用被动语态. 不必要说出动作执行者时,常用被动语态. 为了突出强调动作的承受者时,常用被动语态. When to use the passive voice 判断语态的方法 看主语 Li Ming cleaned the blackboard. The blackboard was cleaned. 主语是动作的执行者，就用主动语态； 主语是动作的承受者，就用被动语态。 (主动语态） （被动语态） 1.The old man is ill. He _____(must send) to the hospital. 2. Be quiet. Jim with his classmates _____ (invent) something new. 3. A piano concert _____ (give) here last Friday. The pianist _____ (hold) seven concerts over the years. 4. I _____ (order) a cup of coffee twenty minutes ago. Can ... ...
