賓語(yǔ)從句可以分為三類(lèi)

(1).動(dòng)詞的賓語(yǔ)從句

1.1 大多數(shù)位于動(dòng)詞后面

Eg：I hope you can join us in the game.

1.2 有些是“動(dòng)詞+副詞”后

Find out / point out / figure out / turn out/ figure out

Eg： Can you figure out what the poet really means in this poem?

1.3 有些動(dòng)詞短語(yǔ)后面

Make sure / make up one’s mind / keep in mind

Eg; we should keep in mind that sports can be a great boost to our health.

(2) it 作形式賓語(yǔ)代替賓語(yǔ)從句

第一類(lèi)動(dòng)詞; find/ feel/ think/ consider/ make / believe/ guess/ suppose /assume等后面有賓語(yǔ)不足語(yǔ)時(shí)，需要用it 作形式賓語(yǔ)而將that引導(dǎo)的真正的賓語(yǔ)從句后置。

Eg： I think it necessary that we do some sporting.

第二類(lèi)動(dòng)詞 帶賓語(yǔ)從句時(shí)需要在從句前面加it。

這類(lèi)詞：hate / like/ dislike/ appreciate/ depend on/ see to /

Eg: I hate it when they talk without considering other’s feeling.

但是如果賓語(yǔ)從句是WH-類(lèi)引導(dǎo)的，其后面有to be 短語(yǔ)作賓語(yǔ)補(bǔ)足語(yǔ)，不可以用it 代替。

We all consider what you said to be unbelievable. (right)

We all consider it to be unbelievable what you said .(wrong)

(3) 形容詞后的賓語(yǔ)從句

Adj: sure / certain/ glad/ pleased/ happy / afraid / sorry 等等。

Eg; I am not sure whether you will come or not.