英文主動同被動有咩分別?

英文主動同被動有咩分別?

英文動詞有主動語態 Active Voice 和被動語態 Passive Voice 之分。
如果主語是動作或狀態的「發出者」，動詞就用主動語態；如果主語是動作
或狀態的「承受者」，動詞就用被動語態。
例如：
[主動語態]1. John encouraged Mary.﹝約翰鼓勵瑪莉。﹞
[被動語態]2. Mary was encouraged by John.﹝瑪莉受到約翰鼓勵。﹞


Use of passive
Passive voice is used when the focus is on the action.
It is not important or not known, however, who or what is performing the action.
使用被動語態當動作是重點，當你不知道是誰作的，是誰作的並不重要。e.g. 1. My bike was stolen我的自行車被偷了。[不知道是誰作的]
2. The school bell was rung. 校鐘被敲響了。[是誰作的並不重要]http://www.npc.edu.hk/staff/~ngtungying/english_grammar/lessons/lesson35.htm

咁主動同被動個陣洗唔洗轉野?

動詞的被動語態的總形態是： BE + 動詞的過去分詞 動詞由主動語態變為被動語態的步驟：
1. 將賓語變為主語；
2. 根據新主語的身和數，並考慮時態，然後決定 "BE" 的形態；
3. 將舊主語放在 "by" 之後構成介詞短語。

1. Simple Present Tense主動語態： I teach him.
被動語態： He is taught by me.
2. Present Continuous Tense主動語態： I am teaching him.
被動語態： He is being taught by me.
3. Present Perfect Tense主動語態： I have taught him.
被動語態： He has been taught by me.
4. Simple Past Tense主動語態： I taught him yesterday.
被動語態： He was taught by me yesterday.
5. Past Continuous Tense主動語態： I was teaching him when you came.
被動語態： He was being taught by me when you came.
6. Past Perfect Tense主動語態： I had taught him before you came.
被動語態： He had been taught by me before you came.
7. Simple Future Tense主動語態： I shall teach him tomorrow.
被動語態： He will be taught by me tomorrow.
8. Future Perfect Tense主動語態： I shall have taught him before the sun sets.
被動語態： He will have been taught by me before the sun sets.

主動:
I close the door.
被動:
The door is closed.
需要轉is/are/was/were+pp tense

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