if、whether引导的宾语从句

1、if/whether 引导的宾语从句一、 由if或 whether引导的宾语从句。if/whether 是否”说明对陈述的事物不明确或不清楚。常用在ask,wonder,can(could)youtellme等后，二者通常可以互换。例如：Lilyaskedif/whethershelikedit.莉莉问她是否喜欢它。Iwa nttok no wif(whether)helivesthere.我想知道他是否住在这儿。Heaskedmewhether(if)lcouldhelphim.他问我是否可以帮助他。小试牛刀：1、Mr.Dingasked.Couldhecomeatseven?2、Shewa

2、ntedtoknow.Didyouhaveagoodtime?二、只能用whether不能用if的情况(1) 在介词后面：例如：I ' mthinkingfwhetherweshouldgofishing.Weareworriedaboutwhetheritwillra in tomorrow.(2) 在动词不定式前 (whethertodosth.) :例如：Theyaskedmewhethertogoskating.(3) 当与ornot连用，或提出两种选择时：例如：Idon ' tknowwhetherhe ' sfreeornot.Maryaskedwhethe

3、rIwasdoi ngmyhomeworkornot.(4) 宾语从句提前时：例如：Whetherthisistrueornot,Ican' tsay.小试牛刀：请用 if、whether填空叮一1.Iaskedhershehadabike.iJl J bI I J2. We ' reworriedaboutheissafe.3.lwonderheiswell.4.ldon ' tknowornotheiswell.5.ldon tknowtogo.三、宾语从句的语序：引导词+主语+谓语+其他成分例如：Ith in kthatweca nbegoodfrie nds.l

4、ean ' trememberifIpostedtheletter.Mayweaskwhatyouaredo ing?四、 特殊的宾语从句间接引语当直接引语是一般疑问句，改为间接引语时，连接代词用if或whether，而引述选择疑问句时用 whether，弓I述动词用ask，没有间接宾语的可以加一个间接宾语me,him等。例如：ShesaidtoTom, “Canyouhelpme? f SheaskedTomif/whetherhecouldhelpher.Sheasked, “ Isthisbookyoursorhis?Sheaskedmewhetherthatbookwasmin

5、eorhis.小试牛刀：欢迎阅读1、 Theteacherasked,“Areyouwaitingforthebus?” TheteaCedas2、Heasked, “AreyouaPartymemberoraLeaguemember? ” Heasked.3、 Hesaid, “ Didyouseemelastnight?” .练习一、单选题。1. ?Theyoungmanaskedit'ssummerorw in ter.A.eitherB.thatC.weatherD.whether2don'tknowhewillcometomorrow.hecomesjlltellyo

6、uA.if;WhetherB.whether;WhetherC.if;ThatD.if;lf3. TheteacherasksusJimca ncomeback on time.A.thatB.ifC.whe nD.whattime4. Doesanybodyknowwewillhaveasportsmeetin gthisweeke ndornot.A.ifB.whereC.whetherD.thatJ '5. Hesaysthatifittomorrow,hefishing.A.willrai n,won' tgoB.rai ned,was n'tgoC.rai n

7、s,w on 'tgoD.rai n, willgo二、按要求填空。Party)1、 Iwanttoknow.(他是否要和我们一起去2、 Askhim.(他是否能来)3、 Couldyoutellme?(李先生是否住这里)4、 Dotheyliketogoskiing?Heasked.(将句子合并为一句)5、 Isshedoingherhomework?Jimasked.(将句子合并为一句)6、 ShesaidtoTom, Aretherea ny apples on thetable?" /乞' I I7、Sheasked, Haveyoufinishyourhomework ?"8、Sheasked, Willyoucomewithmetomorrow? ”11I IDDBCCwhether(if)hewillgototheparkwithuswhether(if)heca ncomewhether(if)Mr.LiliveshereHeaskediftheylikedtogoskii ng5、Jimaskedifshewasdoingherhomework6、ShesaidtoTomifthere