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首頁(yè) > 教案下載 > 英語(yǔ)教案 > 初中英語(yǔ)教案 > 七年級(jí)英語(yǔ)教案 > 英語(yǔ) - 談?wù)劚粍?dòng)語(yǔ)態(tài)的用法

英語(yǔ) - 談?wù)劚粍?dòng)語(yǔ)態(tài)的用法

英語(yǔ) - 談?wù)劚粍?dòng)語(yǔ)態(tài)的用法

英語(yǔ)中及物動(dòng)詞有兩種語(yǔ)態(tài),即主動(dòng)語(yǔ)態(tài)和被動(dòng)語(yǔ)態(tài)。主動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的執(zhí)行者被動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的承受者。被動(dòng)語(yǔ)態(tài)由“助動(dòng)詞be+及物動(dòng)詞的過(guò)去分詞”構(gòu)成。助動(dòng)詞be有人稱、時(shí)態(tài)和數(shù)的變化。

一、被動(dòng)語(yǔ)態(tài)的用法:

1.一般現(xiàn)在時(shí)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.

2.一般過(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.

3.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.

4.一般將來(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.

5.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.

6.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.

7.不定式的被動(dòng)語(yǔ)態(tài):to + be + 及物動(dòng)詞的過(guò)去分詞

There are two books to be read. →

There are twenty more trees to be planted.

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

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:

1.先找出謂語(yǔ)動(dòng)詞;

2.再找出謂語(yǔ)動(dòng)詞后的賓語(yǔ);

3.把賓語(yǔ)用作被動(dòng)語(yǔ)態(tài)中的主語(yǔ);

4.注意人稱、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.

3.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.

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

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

1.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.

2.有些動(dòng)詞用主動(dòng)形式表示被動(dòng)意義。

This pen writes well.

This new book sells well.

3.感官動(dòng)詞或使役動(dòng)詞使用省略to的動(dòng)詞不定式,主動(dòng)語(yǔ)態(tài)中不帶to ,但變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí),須加上to 。

例:make somebody do something→somebody+ be +made to do something

see somebody do something→somebody +be +seen to do something

A girl saw my wallet drop when she passed by.→My wallet was seen to drop by a girl when she passed by.

The boss made the little boy do heavy work.→The little boy was made to do heavy work by the boss.

4.如果是接雙賓語(yǔ)的動(dòng)詞改為被動(dòng)語(yǔ)態(tài)時(shí),直接賓語(yǔ)(物)作主語(yǔ),那么動(dòng)詞后要用介詞,這個(gè)介詞是由與其搭配的動(dòng)詞決定。

He gave me a book.→A book was given to me by him.

He showed me a ticket.→A ticket was shown to me by him.

My father bought me a new bike. →A new bike was bought for me by my father.

5.一些動(dòng)詞短語(yǔ)用于被動(dòng)語(yǔ)態(tài)時(shí),動(dòng)詞短語(yǔ)應(yīng)當(dāng)看作一個(gè)整體,而不能丟掉其中的介詞或副詞。

We can’t laugh him. →He can’t be laugh by us.

He listens to the radio every day. →The radio is listened to by him every day.

The nurse is taking care of the sick man. →The sick man is being taken care of by the nurse.

只要你掌握了以上一些方法,被動(dòng)語(yǔ)態(tài)并不難學(xué)。

英語(yǔ) - 談?wù)劚粍?dòng)語(yǔ)態(tài)的用法 相關(guān)內(nèi)容:
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