人教版初中英語(yǔ)九年級(jí)第七單元語(yǔ)法

語(yǔ)法：被動(dòng)語(yǔ)態(tài)被動(dòng)語(yǔ)態(tài)的用法：

一般現(xiàn)在時(shí)

1.的被動(dòng)語(yǔ)態(tài)構(gòu)成：is / am / are + 及物動(dòng)詞的過(guò)去分詞

Our classroom is cleaned everyday.

I am asked to study hard.

Knives are used for cutting things.

一般過(guò)去時(shí)

的被動(dòng)語(yǔ)態(tài)構(gòu)成：was / were + 及物動(dòng)詞的過(guò)去分詞

A new shop was built last year.

Dinosaur eggs were laid long long ago.

現(xiàn)在完成時(shí)

的被動(dòng)語(yǔ)態(tài)構(gòu)成：has / have + been + 及物動(dòng)詞的過(guò)去分詞

This book has been translated into many languages.

Many man-made satellites have been sent up into space by many countries.

一般將來(lái)時(shí)

的被動(dòng)語(yǔ)態(tài)構(gòu)成：will+ be + 及物動(dòng)詞的過(guò)去分詞

A new hospital will be built in our city.

Many more trees will be planted next year.

含有情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)構(gòu)成：情態(tài)動(dòng)詞+ be + 及物動(dòng)詞的過(guò)去分詞

Young trees must be watered often.

Your mistakes should be corrected right now.

The door may be locked inside.

Your homework can be handed in tomorrow.

現(xiàn)在進(jìn)行時(shí)

的被動(dòng)語(yǔ)態(tài)構(gòu)成：am / is / are + being + 及物動(dòng)詞的過(guò)去分詞

Uncle Wang is mending my bike now.→ 　　My bike is being repaired by Tom now. 　　They are planting trees over there. → 　　Trees are being planted over there by them.

不定式的

被動(dòng)語(yǔ)態(tài)：to + be + 及物動(dòng)詞的過(guò)去分詞

二、 怎樣把主動(dòng)語(yǔ)態(tài)改成被動(dòng)語(yǔ)態(tài)?

There are two books to be read. → 　　There are twenty more trees to be planted.

把主動(dòng)語(yǔ)態(tài)改為被動(dòng)語(yǔ)態(tài)非常簡(jiǎn)單，可以遵循以下幾個(gè)步驟：

先找出謂語(yǔ)動(dòng)詞;

再找出謂語(yǔ)動(dòng)詞后的賓語(yǔ);

把賓語(yǔ)用作被動(dòng)語(yǔ)態(tài)中的主語(yǔ);

注意人稱(chēng)、時(shí)態(tài)和數(shù)的變化。

例：1. Bruce writes a letter every week. →A letter is written by Bruce every week. 　　2. Li Lei mended the broken bike this morning.→The broken bike was mended by Li Lei this morning.

He has written two novels so far.→Two novels have been written by him so far. 　　4. They will plant ten trees tomorrow.→Ten trees will be planted by them tomorrow. 　　5. Lucy is writing a letter now.→A letter is being written by Lucy now.

三、 使用被動(dòng)語(yǔ)態(tài)應(yīng)注意的幾個(gè)問(wèn)題：

You must lock the door when you leave.→the door must be locked when you leave. 　　

不及物動(dòng)詞無(wú)被動(dòng)語(yǔ)態(tài)。

What will happen in 100 years.

The dinosaurs disappeared about 65 million years ago.

有些動(dòng)詞用主動(dòng)形式表示被動(dòng)意義。

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