英语被动语态八种时态

被动语态的用法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。I am asked to study hard。Knives are used for cutting things。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。Dinosaur eggs were laid long long ago。3。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。Many man-made satellites have been sent up into space by many countries。4。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。Many more trees will be planted next year。5。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。Your mistakes should be corrected right now。The door may be locked inside。Your homework can be handed in tomorrow。6。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。They are planting trees over there。→ Trees are being planted over there by them。7。不定式的被动语态：to + be + 及物动词的过去分词 There are two books to be read。→ There are twenty more trees to be planted。8。过去将来时的被动语态：would + be + 及物动词的过去分词 He said he would finish the work soon。He said the work would be finished soon by him。