Unit5 Working the Land 名词性从句课件-2022-2023学年高中英语人教版（2019）选择性必修第一册

讲课老师：张老师 名词性从句 在句子中起名词作用的句子叫名词性从句，名词性从句分为主语从句，宾语从句，表语从句和同位语从句 引导名词性从句的连接词 从属连词：that, whether 连接代词：what , whatever, who, whoever , whom, whose, which, whichever 连接副词： when, where , why, how 拟语气在条件状语从句中的用法 主语从句：在复合句中做主语的句子 That 引导的主语从句（that 在从句中不做任何成分，无词意，不可省略 That 引导的主语从句置于句首 That she used to be a player is known to all That he will come to our village tomorrow surprises us all. 2.It做形式主语代替主语从句 It is a pity that you have missed the wonderful lecture. It worried her a bit that her hair was turning grey. 特别提示 1.在 it is necessary/important/surprising/ strange/ unbelievable/ vital+ that 从句的结构中，从句谓语动词常用should + do 的形式 It is necessary that the problem should be discussed at once. 2.在it be suggested/ advised/ ordered/ requested/ insisted/ demanded +that从句结构中，从句谓语动词常用（should) + do 形式 It is demanded that he should leave at once. Whether 引导的主语从句置于句首，if不能替换 It is doubtful whether there will be any seats left. Whether it is true remains a question. Wh 类连接词引导的主语从句 What I want to know is this? How this happened is not clear to anyone? Who will be the president is still unknown. 小试牛刀： 改错 1.Light travels faster than sound is common knowledge. 2.If she’s coming or not does n’t matter much. 3. That the professor said is of great importance. 4.Where will the trees be planted has not been decided. 5. No matter who breaks the rule will be punished. 6. When and where the meeting will be held still remain a question. 7.That she wants to know is which dress she should buy. 8:He will give up his job surprises all of us. 宾语从句 特别提示： Whether/if 引导的 宾语从句通常可以呼唤，但做介词的宾语时，不能用if引导 It depends on whether my parents support my plan. I worry about whether I hurt her feelings. 在复合句中起宾语作用的从句叫宾语从句 1.That 引导的宾语从句，无词义，不做成分，可以省略。 She said that the story was true. He told me that he would go to college the next year. 2.Whether /if 引导的宾语从句，在句子中不做成分，意为：是否“ 不能省略 He seemed undecided whether to go or stay. I don’t know if he knows the good news. 3.wh—类连接词引导的宾语从句 He did no