語態 | 不同時態下被動語態的用法
英語中有兩種語態：主動語態和被動語態。今天小編要來給大家講解一下被動語態的用法，在不同的時態下，被動語態有不同的用法，一起來看看吧！
一、被動語態的用法：
1. 一般現在時的被動語態構成：is / am / are + 及物動詞的過去分詞
Our classroom is cleaned everyday. 我們教室每天都被打掃。
I am asked to study hard. 我被告知要努力學習。
Knives are used for cutting things. 刀是用來切東西的。
2. 一般過去時的被動語態構成：was / were + 及物動詞的過去分詞
A new shop was built last year. 去年修了一座新商店。
Dinosaur eggs were laid long long ago. 恐龍蛋被放置了很久很久。
3. 一般將來時的被動語態構成：will+ be + 及物動詞的過去分詞
A new hospital will be built in our city. 我們城市將要修建一家新醫院。
Many more trees will be planted next year. 明年會種更多的樹。
4. 現在進行時的被動語態構成：am / is / are + being + 及物動詞的過去分詞
Uncle Wang is mending my bike now.→
My bike is being repaired by Tom now. 王叔叔正在修理我的自行車。
They are planting trees over there. →
Trees are being planted over there by them. 他們在那裏種植的樹木。
5. 現在完成時的被動語態構成：has / have + been + 及物動詞的過去分詞
This book has been translated into many languages. 這本書被翻譯成多種文字。
Many man-made satellites have been sent up into space by many countries. 在許多國家有許多人造衛星被送上了太空。
6.過去進行時的被動語態構成：was/were + being + 及物動詞的過去分詞
The boy was being operated on when his parents hurried to the hospital.當他的父母趕到醫院的時候這個男孩正在做手術。
The new road was being made.這條新路正在修築。
7.過去完成時的被動語態構成：had + been + 及物動詞的過去分詞
The classroom hadn’t been cleaned before the teacher came. 在老師來之前，教室尚未打掃。
The tickets had been sold out before I came to the cinema.在門票被銷售一空前我趕到了電影院。
8.將來完成時的被動語態構成：shall/will + have done
They will have been married for 20 years by then. 屆時，他們結婚將滿20週年。
The project will have been completed before May.該項目將在五月前完成。
9.含有情態動詞的被動語態構成：情態動詞+ be + 及物動詞的過去分詞
Young trees must be watered often. 小樹需要經常澆水。
Your mistakes should be corrected right now. 你應該現在就改正你的錯誤。
The door may be locked inside. 這扇門可以反鎖。
Your homework can be handed in tomorrow. 你的家庭作業可以明天交。
看完了上面的語法知識，大家應該就能明白被動語態的用法了，趕快收藏起來吧~
