英语中的语态体系浩如烟海，里面学问非常大，学会语态的使用方法对学英语有非常大的意义。今天，我们为同学们带来了相当丰富的与被动语态的使用方法有关的语法，一块儿看看吧！
1. 通常目前时的被动语态构成：is / am / are + 及物动词的过去分词
Our classroom is cleaned everyday. 大家教室天天都被打扫。
I am asked to study hard. 我被告知要好好学习。
Knives are used for cutting things. 刀是用来切东西的。
2. 通常过去时的被动语态构成：was / were + 及物动词的过去分词
A new shop was built last year. 去年修了一座新商店。
Dinosaur eggs were laid long long ago. 恐龙蛋被放置了很长时间很长时间。
3. 通常以后时的被动语态构成：will+ be + 及物动词的过去分词
A new hospital will be built in our city. 大家城市将要修建一家新医院。
Many more trees will be planted next year. 明年会种更多的树。
4. 目前进行时的被动语态构成：am / is / are + being + 及物动词的过去分词
Uncle Wang is mending my bike now.→
My bike is being repaired by Tom now. 王叔叔正在维修我的自行车。
They are planting trees over there. →
Trees are being planted over there by them. 他们在那里种植的树木。
5. 目前完成时的被动语态构成：has / have + been + 及物动词的过去分词
This book has been translated into many languages. 这本书被翻译成多种文字。
Many man-made satellites have been sent up into space by many countries. 在很多国家有很多人造卫星被送上了太空。
6.过去进行时的被动语态构成：was/were + being + 及物动词的过去分词
The boy was being operated on when his parents hurried to the hospital.当他的爸爸妈妈赶到医院的时候这个男生正在做手术。
The new road was being made.这条新路正在修筑。
7.过去完成时的被动语态构成：had + been + 及物动词的过去分词
The classroom hadn’t been cleaned before the teacher came. 在老师来之前，教室尚未打扫。
The tickets had been sold out before I came to the cinema.在门票被销售一空前我赶到了电影院。
8.以后完成时的被动语态构成：shall/will + have done
They will have been married for 20 years by then. 届时，他们结婚将满20周年。
The project will have been completed before May.该项目将在5月前完成。
9.含有情态动词的被动语态构成：情态动词+ be + 及物动词的过去分词
Young trees must be watered often. 小树需要常常浇水。
Your mistakes should be corrected right now. 你应该目前就改正你的错误。
The door may be locked inside. 这扇门可以反锁。
Your homework can be handed in tomorrow. 你的家庭作业可以明天交。
如何，看完了我们给大伙筹备的语法常识，有没感觉收成颇多呢？喜欢就珍藏起来吧~
