1、I know him . 2. I know who he is .,主語,謂語,賓語,（簡單句）,主語,謂語,賓 語 從 句,關(guān)系代詞,從句主語,從句謂語,主 句,（復(fù)合句）,連詞（引導(dǎo)詞）,陳述句 that 一般疑問句 whether 或 if 特殊疑問句 what, who, whom, which, whose when, where, how, why,一、連詞（引導(dǎo)詞） 1. 當(dāng)賓語從句是陳述句時（包括肯定句和否定 句），連詞由that引導(dǎo)，因?yàn)閠hat在從句中不作 任何成分，也沒有任何具體意思，因此在口語 或非正式文體中常省略,Lin Tao feels (that) his o

2、wn team is even better. She says (that) she wont take part in the sports meeting next Sunday.,2. 當(dāng)賓語從句是一般疑問句時，由連詞whether或if引導(dǎo)（口語中常用if），因?yàn)閕f/whether翻譯成：“是否”，具有一定的意義，所以不能省略,Lily wanted to know if /whether her grandma liked the handbag . Lets see if /whether we can find out some information about that

3、city .,3. 當(dāng)賓語從句是特殊疑問句時，由連接代詞（what, who, whom, which, whose）或連接副詞（when, where, how, why）引導(dǎo)，因?yàn)檫B接代詞 或連接副詞在從句中擔(dān)任一定的句子成分，具 有一定的意義，所以不可以省略,Do you know what he said just now ? I dont remember when we arrived . I asked him where I could get so much money . Please tell me who (whom) we have to see .,帶how的詞組也

4、都可以引導(dǎo)賓語從句,Could you tell us how often you go abroad for a holiday ?,Could you tell us how long the meeting will last ?,I dont know how far it is to the cinema .,Please tell us how soon you will be ready .,二、時態(tài) 1. 如果主句是現(xiàn)在的時態(tài) （包括一般現(xiàn)在時 ， 現(xiàn)在進(jìn)行時，現(xiàn)在完成時），從句的時態(tài)可根 據(jù)實(shí)際情況而定，（包括一般現(xiàn)在時，一般過 去時，一般將來時，現(xiàn)在完成時等）,I know

5、 he lives here . I know he lived here ten years ago . I have heard that he will come tomorrow .,2.如果主句是過去的時態(tài)（包括一般過去時，過去進(jìn)行時），那么從句的時態(tài)一定要用相對應(yīng)的過去的某種時態(tài)（包括一般過去時，過去進(jìn)行時，過去將來時， 過去完成時）,I knew who lived here. I saw she was talking with her mother. He asked whether his father would come back tomorrow. He said t

6、hat he had seen it .,3.當(dāng)從句是客觀真理，定義，公理，定理 時用一般現(xiàn)在時。,The teacher said that the earth travels around the sun.,1could / would是委婉語氣，而不是過去式，因此賓語從句的時態(tài)根據(jù)實(shí)際情況用不同時態(tài)。,注意事項(xiàng),Could you please tell me where we show our tickets ? Could you tell us which gate we have to go to ? Would you like to know when he will come back ?,2. 如果主句的謂語動詞是ask時，連詞不可能是that；,He asks if I like playing the piano . You may ask the man over there how you can get to the bus station .,3. 如果從句中含有or或or not時，只能 用whether而不用if,Could you tell me whether thats a