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Module 9 Friendship模块语法专练whether/if及疑问词引导的宾语从句1.whether/if引导的宾语从句。(1)whether/if引导宾语从句时,意为“是否”,表示不确定的概念,常位于ask,see,say,know,find out等词或短语后面。一般情况下,两者可互换,在口语中多用if。例如:He asked if/whether they needed some help.他问他们是否需要帮助。(2)whether和if的区别。在动词不定式之前只能用whether。例如:I cant decide whether to stay.我不能决定是否留下。在固定结构“whether.or not”中,只能用 whether。例如:I want to know whether its good news or not.我想知道它是否是个好消息。在介词后只能用whether。例如:His father is worried about whether he may lose his job.他的父亲担心他是否会失去工作。2.疑问词引导的宾语从句。(1)由特殊疑问句充当宾语从句时,该从句由特殊疑问词引导,此从句要用陈述句的语序。例如:I dont know when the plane flies.我不知道飞机什么时候起飞。(2)当宾语从句由连接副词或代词when,where,who,why,which,what,whose等引导时,有时可以改为由“疑问词+动词不定式”构成的不定式短语,使宾语从句转化为简单句。但前提是主句的主语与从句的主语一致或主句的宾语是从句的主语。例如:Can you tell me how I can get to the bus stop?Can you tell me how to get to the bus stop?你能告诉我怎样去公交车站吗?.单项填空(C)1.I wonder.Yes,of course.A.where we can buy the partsB.how often you hear form your sisterC.if I may have a word with youD.why he arrived late yesterday(A)2.What did he ask just now?He wondered.A.if they would meet at the school gateB.when would they startC.that they would take some foodD.how they will get there(D)3.I wonderthe idea to Daming.He still looks angry.A.ifhave you mentionedB.whathave you mentionedC.what you have mentionedD.if you have mentioned(B)4.Do you knowwe will arrive at your home town?This afternoon.A.whyB.whenC.ifD.where(C)5.My grandmother always asks me.A.why can she use the iPadB.how can she use the iPadC.how she can use the iPadD.when can she use the iPad.用适当的引导词填空1.Could you tell mehowpeople celebrate the Dragon Boat Festival in China?Sure.People usually watch the dragon boat races and eat zongzi.2.Im waiting for the mail.Do you knowwhenit will arrive?Usually it comes by 4:00 pm.3.Excuse me.I wonderif/whetherthere is a bus here to go to Downing Street.Yes.Bus No.223.4.Could you tell mewhathe said at the meeting?Sorry,I didnt go to the meeting.将下列句子改为含有宾语从句的复合句,每空一词1.When did the train leave?I wanted to know.I wanted to knowwhenthe trainleft.2.Are there many people at the party?I didnt know.I didnt knowif/whetherthereweremany people at the party.3.Does it cost much money to fly to Beijing?Could you tell me?Could you tell meif/whetheritcostsmuch money to fly to Beijing?4.Who invented TV set?I dont know.I dont knowwhoinventedTV set.5.Does the girl need any help?He asked me.He asked meif/whetherthe girlneededsome help.
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