英语定语从句情态动词易错点5-6单元.ppt

定语从句只用that不用which的几种情况1 先行词是指物的不定代词 如all muchlittleeverythingnothing等 That sall Ihaveseenandheard Doyoulikeanything wasonshow that that 2 指物的先行词被不定代词修饰 如allfewmuchverysomeno等 或被序数词 形容词最高级修饰或theonly thevery thesame atlast 等 Itisthethirdtime youhavemadethesamemistake Heisthetallestman Ihaveevermet that that 3 先行词既指人又指物Wearetalkingaboutthepianoandthepianist wereintheconcertweattendedlastnight 4 关系代词在从句中充当表语5 当主句是who或which引导的特殊疑问句 而先行词是指人或指物的名词时 Whoisthestudent waslateforschooltoday that that 二 只用which不用that的情况1 当关系代词前有介词时Thisistheroomin mygrandpalived 2 先行词本身就是thatWhat sthat youputonthedesk 3 在非限定性定语从句中 which which 三 when where的用法Theplace interestedmemostwastheChildren sPalace Thatisthehotel theystayatlastmonth Doyouknowtheyear theChineseCommunistPartywasfounded Thatistheday I llneverforget Thefactory we llvisitnextweekisnotfarfromhere which where when which which Thisistheschool Iusedtostudy I llneverforgettheday wemeteachotherlastweek Thisisthehousein LuXunlived Isthisthefactory youvisitedtheotherday Isthisthefactory heworkedtenyearsago where when when that where 四 先行词是reason时 Hereisthereason youfailedintheexam Hereisthereason yougiveme Thisisthereason youarelateforschool why why that 五 must的用法对现在情况的推测 must could might doShemustbehemostbeautifulgirlinyouclass Hemightstayathomebecausethelightisoninhishome 表示对正在发生的事情进行推测mustbedoingTheymustbehavingclass 对过去或已完成事情的推测musthavedoneShemusthaveknownthenews 反义疑问句Youmustbetheteacher 对过去发生的事情进行推测时 若有过去的时间状语 用过去时反问 若没有过去的时间作状语 用现在完成时反问Itmusthaverainedlastnight aren tyou didn tit Youmusthavetoldhimabouthimaboutit 情态动词表示推测时 反义疑问句不用情态动词来反问Mymothermustbecookingnow Youmustfinishyouhomeworkbefore8o clock 教室里一定有学生在读书 haven tyou needn tI isn tshe Theremustbesomestudentreadin