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這是否真的我說不上來。④whether置于句首時,不能換用if。He hasn39。如:He hasn39。re thinking about whether we can finish the work on time.我們正在考慮是否能按時完成這項工作。m interested in whether he likes English.我關(guān)心的是他是否喜歡英語。②在介詞之后用whether。t know whether /if he does any washing or not.(=I don39。如:Let me know whether /if he will e or not.(=Let me know whether or not he will e)讓我知道他是否能來。t know if /whether he still lives here after so many years.我不知道這么多年后他是否還住在這兒。 由whether,if 引導(dǎo)的賓語從句當(dāng)由一般疑問句充當(dāng)賓語從句時,用if或whether引導(dǎo),意為“是否”。I can’t tell him that his mother died. 當(dāng)it作形式賓語時 例句:She made it clear that she had nothing to do with him.許多帶復(fù)合賓語的句子,that引導(dǎo)的賓語從句經(jīng)常移到句子后部,而用it作形式賓語。I believe(that)you have done your best and that things will get better. 當(dāng)主句的謂語動詞與that賓語從句之間有插入語時,that一般不可省。that引導(dǎo)的賓語從句(在非正式場合that可以省略)可跟that從句做賓語的動詞有:say, think, insist, wish, hope, demand, imagine, wonder, know, suppose, see, believe, agree, admit, deny, expect, explain, order, mand, feel, dream, suggest, hear, mean, notice, prefer, request, require, propose, declare, report等。高考英語賓語從句. 賓語從句的定義學(xué)習(xí)賓語從句要抓住三要素:連接詞、語序和時態(tài)。 一、 關(guān)聯(lián)詞在復(fù)合句中作主句的賓語,引導(dǎo)詞有:從屬連詞:that (that ??墒÷?,whether, if連接代詞:who, whose, what ,which連接副詞:when ,where, how, why 等。The boy believes that he will travel through space to other planets.在以下情況中that不能省略當(dāng)句中的動詞后接多于兩個由that引導(dǎo)的賓語從句時,第一個that可省,但后面的that不可省。Just then I noticed, for the first time, that our master was wearing his fine green coat and his black silk cap. 當(dāng)that從句是雙賓語中的直接賓語時,that不可省。當(dāng)賓語從句前置時 That our team will win,I believe.當(dāng)that作learn,suggest,explain,agree,wonder,prove,mean,state,feel,hold等動詞的賓語時。如:I don39。但在下列情況下只能用whether,不能用if:①在具有選擇意義,又有or或or not時,尤其是直接與or not連用時,往往用whether(if…or not也可以使用)。I don39。t know whether or not he does any washing.)我不知道他洗不洗衣服。如:I39。We39。③在不定式前用whether。t decided whether to visit the old man.他尚未決定是否拜訪那位老人。t decided whether to go by bus or by train.他還未決定是乘公共汽車去還是坐火車去。如:Whether this is true or not,I can39。⑤引導(dǎo)主語從句和表語從句時宜用whether。⑥若用if會引起歧義時,則用whether。用于這種結(jié)構(gòu)的動詞常常是:see, say, tell, ask, answer, know, decide, show, find out, imagine, suggest, doubt, wonder, discover, understand, inform, advise等。連接代詞一般指疑問,但what, whatever除了指疑問外,也可以指陳述.Do you know who has won Red Alert game?你知道是誰贏得了紅色警報的游戲么?The book will show you what the best CEOs should know.這本書會告訴你最好的執(zhí)行總裁該了解什么.Have you determined whichever you should buy,a Motorola or Nokia cell phone?你決定好是買諾基亞還是摩托羅拉的電話了嗎?③連接副詞有:when,where,why,how,在句中擔(dān)任狀語的成分。如:1. I don’t know who will be our headteacher next semester. 缺指人的主語用who,如缺指物的主語則用what。3. I think that my deskmate will get through all the major subjects. 句子不缺成分,用that。4. She let me know when the meeting would be held. 缺時間狀語,用when;缺地