1、语法专项复习Object Clause 宾语从句宾语从句 临朐七贤中学临朐七贤中学 马晶马晶一一.学习任务:学习任务:复习复习宾语从句宾语从句二二.学习重点学习重点 1.宾语从句的概念宾语从句的概念 2.宾语从句的宾语从句的引导词引导词 3.宾语从句的宾语从句的语序语序 4.宾语从句的宾语从句的时态时态变化变化三三.学习难点学习难点 1.if 与与whether 的区别的区别 目标易览:目标易览:(简单句)(简单句)I know him.(复合句)(复合句)I know who she is.一、什么是一、什么是宾语从句宾语从句?定义:定义:在复合句中起宾语宾语作用的从句从句称为宾语从句(即:
2、由一个句子来构成主句的宾宾语从句(即:由一个句子来构成主句的宾语)语)。himwho she is(代词作宾语)(代词作宾语)(句子作宾语)(句子作宾语)2.Our teacher told us that the earth goes around the sun.3.Try to find out whether she feels lonely without you.4.Im sure that she regrets hurting you.5.I asked her why she smiled at me that day.6.I dont know if he will arr
3、ive in time.1.Do you know who is the first Chinese astronaut?Find out the object clauses:Find out the object clauses:1.Do you know who is the first Chinese astronaut?2.Our teacher told us that the earth goes around the sun.3.Try to find out whether she feels lonely without you.4.Im sure that she reg
4、rets hurting you.5.I asked her why she smiled at me that day.6.I dont know if he will arrive in time._二、宾语从句二、宾语从句的的引导词引导词1.由从属连词由从属连词that引导的宾语从句引导的宾语从句e.g.I believe(that)well become good friends.注意:that在句中无词义,不能充当句子成分,一般情况下可以省略。2.由疑问代词由疑问代词what,which,who,whom,whose疑疑问副词问副词where,when,how,why等引导的宾语从句
5、。等引导的宾语从句。e.g.Do you know why she treats you like that?(为什么,作状语)3.由从属连词由从属连词whether,if引导的宾语从句引导的宾语从句e.g.1)Alice wants to know whether/if her grandmother liked the bag.2)I dont know whether or not they will come to help us.注意:whether,if在宾语从句中的意思是“是否”,但不充当句子成分,whether、if可以互换,但以下几种情况只能用whether不用if。If 与
6、whether 的区别I dont know _ he will come or not.I dont care of _ he is handsome.He wondered _ to stay here the next week._ he will come is not decided.1.与与or not 连用只能用连用只能用whether2.介词后只能用介词后只能用whether3.与与to do 不定式连用只能用不定式连用只能用whether4.作主语只能用作主语只能用whether三、宾语从句的三、宾语从句的语序语序 注意:不论由哪种引导词引导的宾语从句,注意:不论由哪种引导词
7、引导的宾语从句,其引导词都位于从句句首,且从句用陈述语其引导词都位于从句句首,且从句用陈述语序,即序,即“主语在前,谓语在后主语在前,谓语在后”的顺序。的顺序。Excuse me,can you tell me when the plane leaves.Do you know who will teach us English this term?_四、宾语从句的四、宾语从句的时态时态 1.如果主句为如果主句为一般现在时一般现在时,从句可用各种合适的时态。,从句可用各种合适的时态。He says he will go back tomorrow.We dont know who took a
8、way the book?2.如果主句的时态是如果主句的时态是一般过去时一般过去时,宾语从句只能用相,宾语从句只能用相应的应的过去时态过去时态(一般过去时,(一般过去时,过去进行时,过去进行时,过去将过去将来时,过去完成时)。来时,过去完成时)。He told me that he was born in Beijing in 1992.He said that he would go back to the U.S.soon.3.如果宾语从句所陈述的是如果宾语从句所陈述的是客观真理客观真理,即使主句,即使主句用了用了过去时过去时,从句仍用一般现在,从句仍用一般现在时态时态。The teach
9、er said that the earth moves around the sun.Do you know _?A.where does she live B.she lives whereC.where she lives D.where she live2.His parents wanted to know what he _at that time.A.is doing B.was doing C.has done D.will doCB达标检测达标检测从下列从下列A、B、C、D中选择一个正确选项填空。中选择一个正确选项填空。3.The girls asked if they _ some food and drink with them.A.took B.take C.takes D.will take 4.Linda said the moon_ round the earth.A.travelled B.has travelled C.travels D.had travelled AC5.I dont know _ or not he will come here tomorrow?A.if B.that C.what D.whetherD