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er,不能用if引導(dǎo)的賓語從句 not連用時:I can’t say whether or not they can e on time.例句:We decided whether to walk there.例句:I’m thinking of whether we should go to see the film.例句Everything depends on whether we have enough money。whether只能用if不能用引導(dǎo)的賓語從句if引導(dǎo)否定概念的賓語從句時:He asked if I didn’t e to school yesterday.例句(三)連接代詞和連接副詞引導(dǎo)的賓語從句這樣的賓語從句實(shí)際上是由特殊疑問句變化而來的,賓語從句要用陳述句語序:連接代詞/副詞+主語+謂語+其他成分。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。英語中的連接代詞有:who,whom,whose,which,what,在句中擔(dān)任主語、賓語、定語或者表語。如:know例句:Do youwho will e this afternoon ? (作主語)Did you hear what she said ? (作賓語)I don’t know whose that is . (作表語)Could you tell me which gate we have to go to ? (作定語)Can you tell me whom you are waiting for?(作賓語)英語中的連接副詞有:when,where,why,how,在句中擔(dān)任狀語的成分。None of us knows where these new parts can be bought.例句:Can you tell me how I get to the post office ?We didn’t know when she would e back .。主句是一般現(xiàn)在時,從句根據(jù)實(shí)際情況使用任何時態(tài):例句sayssheShethatis a student.saysShethat she will fly to Japan in a week.thatShe