allow的被动语态的用法 语法讲解：被动语态的用法

语法讲解：被动语态的用法  

英语中的语态体系浩如烟海，里面学问很大，掌握语态的用法对学习英语有很大的意义。今天，小编为同学们带来了相当丰富的与被动语态的用法相关的语法，一起来看看吧！,1. 一般现在时的被动语态构成：is / am / are + 及物动词的过去分词 ,Our classroom is cleaned everyday. 我们教室每天都被打扫。,I am asked to study hard. 我被告知要努力学习。,Knives are used for cutting things. 刀是用来切东西的。,2. 一般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. 恐龙蛋被放置了很久很久。,3. 一般将来时的被动语态构成：will+ be + 及物动词的过去分词 ,A new hospital will be built in our city. 我们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. 现在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. 王叔叔正在修理我的自行车。,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. 现在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. 在许多国家有许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.当他的父母赶到医院的时候这个男孩正在做手术。,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.将来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 pleted before May.该项目将在五月前完成。,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. 小树需要经常浇水。,Your mistakes should be corrected right now. 你应该现在就改正你的错误。,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。,怎么样，看完了小编给大家准备的语法知识，有没有感觉收获颇多呢？喜欢就收藏起来吧~