英语语法被动语态总结一、被动语态的构成形式1
被动语态的基本时态变化被动语态通常为十种时态的被动形式,被动语态由 be+过去分词构成,be 随时态的变化而变化
以 do 为例,各种时态的被动语态形式为:1) am/is/are+done(过去分词)一般现在时例Visitorsarerequestednottotouchtheexhibits
2) has/havebeendone现在完成时例Allthepreparationsforthetaskhavebeencompleted,andwe'rereadytostart
3)am/is/arebeingdone 现在进行时例 Anewcinemaisbeingbuilthere.4)was/weredone一般过去时例IwasgiventenminutestodecidewhetherIshouldrejecttheoffer
5) hadbeendone过去完成时例Bytheendoflastyear,anothernewgymnasiumhadbeencompletedinBeijing
6)was/werebeingdone过去进行时例AmeetingwasbeingheldwhenIwasthere
7) shall/willbedone一般将来时例Hundredsofjobswillbelostifthefactorycloses
8)should/wouldbedone过去将来时例Thenewswouldbesenttothesoldier'smotherassoonasitarrived
9)shall/willhavebeendone将 来 完 成 时 ( 少 用 ) 例TheprojectwillhavebeencompletedbeforeJuly
被动语态的特殊结构形式1)