一轮资料资源简介:
1.主语从句:主语从句在整个句子中作主语。
(1)不同于其它的连词,它不充当句子的成分,只是单纯的连接词,通常不可以省略。分句置于句首时,that绝对不可以省略。
That the driver could not control his war was obvious.
It was obvious that the driver could not control his car.
(2)if 不能用在主语从句中,而是用whether
Whether he left (or not) is unknown
(3)当主语从句作主语时,谓语动词一般用第三人称单数,下面这个句型例外。
What we need is more time and money.
What we need are many more books.
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