(1)表語(yǔ)從句
1. 定義:用作表語(yǔ)的從句叫做表語(yǔ)從句。
2. 構(gòu)成:關(guān)聯(lián)詞+簡(jiǎn)單句
3. 引導(dǎo)表語(yǔ)從句的關(guān)聯(lián)詞的種類(lèi):
(1) 從屬連詞that。如:
The trouble is that I have lost his address. 麻煩是我把他的地址丟了。
(2) 從屬連詞whether, as, as if。如:
He looked just as he had looked ten years before. 他看起來(lái)還與十年前一樣。
The question is whether they will be able to help us. 問(wèn)題是他們是否能幫我們。
注:從屬連詞if一般不用來(lái)引導(dǎo)表語(yǔ)從句,但as if卻可引導(dǎo)表語(yǔ)從句,如:
All this was over twenty years ago, but it's as if it was only yesterday.
這都是20多年前的事了,但宛如昨天一樣。
能跟表語(yǔ)從句的謂語(yǔ)動(dòng)詞一般為系動(dòng)詞be, seem, look等。如:
It looked as if it was going to rain. 看起來(lái)天要下雨了。
(3)連接代詞who, whom, whose, what, which, whoever, whatever, whichever
連接副詞 where, when, how, why。
(2)主語(yǔ)從句
1. 定義:用作主語(yǔ)的從句叫做主語(yǔ)從句。
2. 構(gòu)成:關(guān)聯(lián)詞+簡(jiǎn)單句
3. 引導(dǎo)主語(yǔ)從句的關(guān)聯(lián)詞有三類(lèi):
(1) 從屬連詞that。 如:That they were in truth sisters was clear from the facial resemblance between them.
很明顯,她們確是親姐妹,她們的臉型很相似。
(3)定語(yǔ)從句講解:http://360newlife.cn/list-113-1.html