初中·課本中不會教你的 472　see sb. do sth.和be seen to do sth.——用to還是不用to

472　see sb. do sth.和be seen to do sth.——用to還是不用to

1　在某些動詞后，不定式作賓語補(bǔ)足語時(shí)不帶to，只用動詞原形，初中英語中應(yīng)掌握的這類動詞有：hear, see, let, make （要，讓），feel, watch, find, listen to, look at, have （使，讓）等。

I often hear her read English in the morning. 我常常聽見她早晨讀英語。

She made him try again. 她要他再試一次。

I will have you do it. 我將讓你做那件事。

2　可以看出，上面例句中的謂語動詞都是主動語態(tài)，后跟的不定式不帶to 。但是，如果句中的謂語動詞用的是被動語態(tài)，原來作賓語補(bǔ)足語的不定式前就要加to 。

She is often heard to read English in the morning. 她常被聽見早晨讀英語。（人們常聽見她早晨讀英語。 ）

He was made to try again. （正）他被讓再試一次 。

He was made try again. （誤）

他們聽老師讀那篇短文 。

They listened to the teacher read the passage. （正）

The teacher was listened to to read the passage. （正）

The teacher was listened to read the passage. （誤）

He made them work all day. （正）他讓他們整天干活 。

They were made to work all day. （正）

They were made work all day. （誤）