SectionⅢGrammar-复习被动语态[语法初识]原句感知自主探究1
Today,carnivalinVeniceiscelebratedforfivedaysinFebruary
2.InEurope,whereitbegan,carnivalwasfollowedbyfortydayswithoutmeat,aspeoplepreparedfortheChristianfestivalofEaster
3.Englishlessonsarebeingbroadcastontheradionow
4.Carswillbesentabroadbyseatomorrow
5.Hesaidallthetaskhadbeenfinishedbylastweek
句1用了一般现在时的被动语态,其结构为“is/am/are+过去分词”
2.句2用了一般过去时的被动语态,其结构为“was/were+过去分词”
3.句3用了现在进行时的被动语态,其结构为“is/am/are+being+过去分词”
4.句4用了一般将来时的被动语态,其结构为“will/shall_be+过去分词”
5.句5用了过去完成时的被动语态,其结构为“had+been+过去分词”
[语法剖析]语法点一被动语态的基本时态变化1.各种时态的被动语态的构成如果主语是动作的执行者,也就是说它们是主动关系,此时动词使用主动语态;如果主语是动作的承受者,也就是说它们是被动关系,此时动词用被动语态
时态动词的被动形式例句一般现在时am/is/aredoneHeisaskedtodothis
一般过去时was/weredoneThestorywastoldbyhermother
一般将来时willbedoneTheproblemwillbediscussedtomorrow
现在进行时am/is/arebeingdone