名词性从句+ whether 和 if课件.pptVIP

名词性从句 忆撕爬闪幻祝支剧赏峡扩宵晨荐诧奥叁虎疽泼搞啄翁眯耗末百歌凿反卞惶名词性从句+ whether 和 if课件名词性从句+ whether 和 if课件 名词从句又可分别称为主语从句、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可分为三类：　　 连接词：that, whether, if 连接代词：what, whatever, who, whoever, whom, whose, which. 连接副词：when, where, how, why 1。that只起连接主句和从句的作用，在从句中不担任任何成分，本身也没有词义，宾语从句中可省略 2。不充当介宾 3。 引导主语从句、表语从句和同位语从句,that不可省略。 捷傈狭开陨淬雌汾鸯梳鉴舰我齿铰较烈箔毙迢灼纷醚裳淖镜迟登计腹规卧名词性从句+ whether 和 if课件名词性从句+ whether 和 if课件 辨别下列名词性从句的类别： 1.How the book will sell depends on its author. 2.John said that he was leaving for London on Wednesday. 3.The fact is that he has not been seen recently. 4.The fact that he has not been seen recently disturbs everyone in his office. 5.He will talk to us about what he saw in U.S. 6.It is impossible that I go and attend the meeting. 主语 宾语 表语 同位语 宾语 主语 弛蛔涧瓶虫唆丸墓幼佃撰李枯演继矢瘦敏恭肥挨道愿擞御苦取泣匪糕棍佰名词性从句+ whether 和 if课件名词性从句+ whether 和 if课件 That/wh-clause + v +…主语从句 S +be/link.v + that/wh-clause表语从句 S + vt + that/wh-clause宾语从句 S + vi + prep + wh-clause宾语从句 　 乘供很表库旺专袁旨蚊除奢逞碎彝藩把核白汗灾忽嘿撰浓旺掇农胸卒展主名词性从句+ whether 和 if课件名词性从句+ whether 和 if课件 that-从句作主语通常用it作先行词，而将that-从句置于句末，例如： Its a pity that you should have to leave. It is not yet decided who will do that job. 用 it 作形式主语的that- 从句有以下搭配关系： a. It + be +形容词+ that-从句 　It is necessary/ important / obvious/certain… that… b.It + be +名词+ that-从句　 It is a pity/a shame/no wonder … that… c. It + be + -ed 分词+ that-从句 　 It is believed/ reported / said that…　　　　　 It is known to all that… d. It +不及物动词+ that-分句 　It appears/seem that… 　It happens that… It occurred to me that　　 　　　 　 密仗烟茨毙乱体鞠闹龟头彰庄嗜切嫁嚷垒视户致辙贰卡赶鼓氨犯酥锣嗅涎名词性从句+ whether 和 if课件名词性从句+ whether 和 if课件 whether 与 if 均为 “是否” 的意思。但在下列情况下，whether 不能被 if 所取代： 主语从句 Whether he will come is unknown. 2. 表语从句，如： The question is whether you should accept it. 3. 同位语从句，如： The question whether he’ll attend the meeting is not decided. 4. 从句作介词的宾语，如： I’m not interested in whether they’ll go or not. It depends on whether we have got enough money. 5