被动语态1. Why：1.2.32. What and When：“被”“由"3. How：八大时态和情态动词的被动语态4. How :1。译“被"“由”，2 时态人称和数5. 结构：Be 动词的相应时态+过去分词 done常用被动语态构成例句1一般现在时am/is/are doneEnglish is spoken by many country。2一般过去时was/were doneEnglish was spoken by many country.3现在进行时am/is/are being doneEnglish is being spoken by many country。4过去进行时was/were being doneEnglish was being spoken by many country。5现在完成时have/has been doneEnglish has been spoken by many country。6过去完成时had been doneEnglish had been spoken by many country.7一般将来时shall/will be donebe going to be doneEnglish will be spoken by many country。8过去将来时should/would be donewas/were going to be doneEnglish would be spoken by many country.9情态动词 Can/may/must+be +doneEnglish can be spoken by many country.主动语态变被动语态Many people speak English.1. 将主句中的宾语变被动语态主语,假如是代词将代词宾格变主格，2。将主句中主语变被动语态中宾语用 by 引导，假如主语时代词由主格变宾格。3.谓语动词变被动语态形式。注意事项：1. 接双宾语的短语被动语态变法: ask sb sth, give sb sth.区分哪个是间接宾语，哪个是直接宾语。He gives me a book.I am given a book by him。A book is given to me by him.2. 原词组中省略 To 的短语被动语态要恢复 to. Help sb do, watch sb do, hear sb do。 Notice sb do。let sb do, make sb do。I saw him help the child.He was seen to help the child.3. 主动表被动的词： 当主语是物，谓语动词时 open， write，read， sell，clean，wash, cut, burn， drive.用主动表示被动。This kind of shirt sells well.4. 感官动词无被动： look, feel， taste, sound, smell5. Want /need/require+doing 相当于 want/need/require to be done. To be done 表示的是不定时的被动语态。This watch need to be repaired=This watch need repairing.6. 当主句的主语是反身代词 或 each other 时，不用被动语态。7. 当 主句的宾语是不定时或 doing 的形式时,不用被动语态.My mother enjoys doing housework。8. 常见的无被动的词: happen, take place， last（持续)， take off。
