九年级下期英语创优课教案第十四周星期一专题复习:被动语态,定语从句一、被动语态。表示主语是谓语动词的承受者。结构为be+动词的过去分词(done)by+执行者,这里的be有人称数和时态的变化。1、各种时态的被动语态。(1)一般现在时:am/is/are+done(2)一般过去时:uas/were+done(3)将来时:will+be+done(4)现在完成时:has/hasbeen+done(5)含情态动词的被动态:can/may…be+done(6)现在进行时:am/is/are+being+done2、含复合宾语的主动句变为被动句。(1)tell/asksbtodosth.→sb+beasked/toldtodosth感官动词的过去分词(2)(seehearfedwatchmakelethave)sbdosth→sb+be+感官动词使役动词使役动词的过去分词+todosth例:Iheardhersingintheroomjustnow→Shewasheardtosingintheroomjustnow练习思考:Iwatchthemplayingsoccernow(改为被动态)二、定语从句定语从句通常置于它所修饰的名词或代词(先行词)之后,引导定语从句的词(关系代词关系副词)叫引导词。关键:判断先行词,再确定引导词。1、关系代词有that(指人或物)which(指物)who(指人)whom(指人)主语宾语Whose(指人或物)2、关系副词有where(地点)when(时间)why原因3、例:It’smountTaithatliesshangdongprovince.ThegirlwhowesawyesterdayisMary.It’sabookwhichintroducesChina.That’sthegirl(whom)InetyesterdayIsthistheboywhoseparentswenttoCanadaLastyear?IwillneverforgetthedaywhenwefirstmetThisistheschoolwhereIstudyThisisthereasonwhyyoushouldleave.4、注意下列几点:(1)Whomwhich作宾语时介词可放前后。ThebeautifulladytowhomyoujusttalkedismissLiThehouseinwhichLuxunLiedisLuxunMuseum.(2)当先行词是:allanythingsomethingnothingeverythingnone等不定代词时,只用that引导。