句型一：What 引導主語從句+謂語動詞+賓語/表語或 that引導表語從句
1. What you said is absolutely correct, but I can never take away a child’s birthday cake. (2021·廣東一模)你所說的話完全正確，但我不會取走小孩的生日蛋糕。
此主語從句贊同上文人物說話內(nèi)容，很好銜接上文內(nèi)容引出下文新的內(nèi)容。
2. Although what Clara did was wrong indeed,she was just a helpless mother. (2021·廣東一模)雖然Clara的所作所為確實錯了，但她只是一個無助的母親。
用主語從句概括上文Clara的做法并加以否定，很好地銜接上文引出下文內(nèi)容。
3. What the officer had done made her feel ashamed of her theft and she was determined to mend her way. (2021·廣東一模) 警察所做的一切讓她感到慚愧，她決心改過自新。
用主語從句總結(jié)性概括了上文警員的一切做法，讓她感到慚愧，由此也引出她將會怎么做。
4. What made me unhappy was that you didn’ttell me the truth. 讓我感到不高興的是，你沒有將事情的真相告訴我。
5. But what happened next was pure magic.
但接下來發(fā)生的(事情)非常奇妙。
句型二：“it” 為形式主語, 引導主語從句
1. It suddenly occurred to her that she should find a big open area first. (2016年10月浙江卷)她突然想到她應該先找一塊開闊的地方。
2. It occurred to her that she had a box of matches with her. (2016年10月浙江卷) 她突然想到身上帶有一盒火柴。
“it occurred to sb that…” 某人突然想到一個辦法，可為下文轉(zhuǎn)機的出現(xiàn)做鋪墊。
3. It was extremely evident that Henry didn’t realize how serious the situation was.很顯然Henry沒有意識到情況的嚴重性。
“it was evident that…” 可用于描述情形的目前現(xiàn)狀。
4. It turned out that some hikers noticed the unusual water bottle in the water.事實證明一些徒步者已注意到水中那不同尋常的水瓶。
“it turned out that…” 可用于描述既定的事實。
發(fā)現(xiàn)規(guī)律：What 引導主語從句+謂語動詞+賓語/表語或that引導表語從句可用于銜接上文引出下文內(nèi)容。而“it”為形式主語, 引導主語從句“it occurred to sb that…或者“it hit/struck sb that…”可為下文轉(zhuǎn)機的出現(xiàn)做鋪墊。而“it was evidentthat…”，“it turned out that…”則可用于描述情形的目前現(xiàn)狀。
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