2016屆高考英語第一輪名詞性從句語法專題教案
it is reported that…據報道……
it has been proved that…已證實……
it is said that…據說……
【疑難5】it is said that chairman hu will visit our school next week. (√)[ ]
that chairman hu will visit our school next week is said. (×)
【疑難剖析5】主語從句不可位于句首的五種情況：
1. if 引導的主語從句不可位于復合句句首。
2. it is said / reported…結構中的主語從句不可提前。
3. it happens / occurs…結構中的主語從句不可提前。[ ]
it occurred to him that he failed in the examination. (√)
that he failed in the examination occurred to him. (×)
4. it doesn't matter how / whether…結構中的主語從句不可提前。
it doesn't matter whether he is wrong or not. (√)
whether he is wrong or not doesn't matter. (×)
5. 含主語從句的復合句是疑問句時，主語從句不可提前。
is it likely that it will rain in the evening？(√)
is that will rain in the evening likely？(×)
【疑難6】 what 與that 在引導主語從句時的區別
what you said yesterday is right.
that she is still alive is a consolation.
【疑難剖析6】 what 引導主語從句時在從句中充當主語、賓語或表語，而that則不充當任何成分。
二、賓語從句
在復合句中作賓語的名詞性從句是賓語從句，通常放在主句謂語動詞 (及物動詞)或介詞之后。
【完成例句】[ ]
根據句意選詞填空(that, if, whether, where, what，who)
(5)i heard that he joined the army.
(6)①she did not know what had happened.
②i wonder whether you can change this note for me.
(7)she told me that she would accept my invitation.
【結論9】①由that引導的賓語從句(that 通常可以省略)，that在從句中不充當任何成分。
②由what引導的賓語從句，what在從句中充當主語、賓語或表語。
③whether (if)引導的賓語從句，在從句中不充當任何成分，只起連接作用，意為“是否”。
【疑難1】引導賓語從句時if和whether的區別
i asked her if / whether she had a bike.
they discussed whether they will go back right now.
we're worried about whether he is safe.
i don't know whether or not he will come.
i don't know whether to go.
【疑難剖析1】引導賓語從句時用if和whether都可以，但有只用whether的特殊情況：動詞discuss后；介詞后；whether與or not連用時； whether to do。
【疑難2】i am afraid (that) i've made a mistake.
【疑難剖析2】作形容詞的賓語時，可以省略that。
【注意】下列形容詞后常跟that引導的從句作賓語：