名词性从句-主语从句
28页1、请君思考: 从句的特点? 名词性从句的类别? 名词性从句的连词有哪几大类?其特点? 能否举几个接形式宾语it的宾语从句? 那些动词的宾语从句需要虚拟? 表语从句的特殊关联词有哪些? Whether和If的用法有哪些区别? 从句的解题步骤是什么?Warming-up Read and find out the sentences with a subject clause in the reading passage?1) What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.2) . The earth became so violent that it was not clear whether the shape would last or not.4) . What scientists think is that the earth was different because of 6). W
2、hether life will continue on the earth for millions of years to come will depend on 3) What is even more important is that as the earth cooled down, water began to appear on its surface.5) Why they suddenly disappeared still remains a mystery.共同特点:1)都有一个引导词2) 引导词做句子成分?3) 引导词有其汉语意思? 名词性从句的类别? 关联词有那几大类? 能否举几个接形式宾语it的宾语从句? 那些动词的宾语从句需要虚拟? 表语从句的特殊关联词有哪些?一、名词性从句Noun Clause宾语从句表语从句主语从句同位语从句作用相当于名词(三)、主语从句Subject Clause做主语用的名词性从句,因其在复合句中 做主语,又称主语从句,1. 从属连词that1) That her hair was turning gray worried he
3、r a bit.= It worried her a bit that her hair was turning gray. 2) That computers have changed our life is known to everyone.= Its known to everyone that computers have changed our life.结论:that 无含义, 不做成分,但不能省 。2. 从属连词whetherWhether the headmaster will support us is a problem.结论:whether 表“是否”,不可换成if3. 连接代词what1) What I cant understand is why he is often absent from school.2) What parents say and do has a life- long effect on their children. (07 陕西 )3) What matters most in learning English is enoug
4、h practice. (07 全国 )结论:what “所的”,在从句中做 主、宾、表语成分。4. 连接代词whatever 1) Whatever was said here must be kept a secret.2) Whatever David says sounds right to Helen.3) Whatever I may do is supported by my parents.结论: whatever在从句中充主、宾语, 表“无论什么” = anything that 5. 连接代词who 1) Who will be the next mayor is not our concern.2) Who will attend the meeting has no been decided.3) Who is to blame remains a question.结论:who在从句中充当主语, 带有疑问含义。 6. 连接代词whoever1) Whoever works hard is respected by others.2) Whoever break
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