一、引导词
1、由that 引导的陈述句性的宾语从句，在很多动词如say, think, wish , hope, see, believe, agree, expect, hear , feel等动词后。连词that只起连接作用，在从句中不做句子的成分，也无词汇意义，在口语中常被省略，但在大多数情况下还是以不省为好，特别是在笔语中。
例：I told him that he was wrong.
2、在think,believe, suppose, expect等动词引起的宾语从句中，有时谓语尽管是否定意义，却不用否定形式，而将think 等动词变为否定形式。
例：I don’t think you are right. (我认为你做的不对)
3、在许多带有复合宾语的句子中，that引导的宾语从句经常移到句子的后面，而用it做形式宾语。
例：We think wrong .(我认为他向每一个人撒谎是错误的)
4、由连词if、 whether 引导的表示“是否…”的宾语从句。Whether,if 在从句中不做句子的成分，一般情况下，whether和if 可以替换。
例：I don’t know if/whether he will come tomorrow.
The teacher asked if/whether we had finished the experiment.
在介词后面的宾语从句中不用if引导
例：Everything depends on -we have enough money。
宾语从句中有or not时不用if引导.
例：I don’t know the movie star will come or not.
和不定式连用作主语时不用if引导.
例： to go there or not hasn’t been decided.
5、由wh-引导的宾语从句。连接代词who,whom,whose, what, which,和连接副词when, where, why, how 等连接的宾语从句，它们在句中即有连接从句的作用，又在句中充当句子的成分。
例：Do you know ？(他们正在谈论那部电影)
I don’t know . (他住在那里)
二、宾语从句的语序，
宾语从句从句的语序必须是陈述语序，既连接词+主语+谓语+其他成分
例：I believe that soon.（will，they，come）
He asked me whether I was a teacher.
They wanted to know .（他们能为我们做什么）
三、宾语从句的时态。
1、宾语从句的时态受主句的限制，
既：主句是一般现在时态，从句根据实际情况而定。
主句是一般过去时态，从句用相应的过去的时态。如果从句的动作发生在主句之前，则从句要用过去完成时态。
例:1)She says that she is a student.
She said that she was a student.
2)She says that she will fly to Japan in a week.
She said that .
3)She says that she has finished her homework already.
She said that she had finished her homework already.
4)She says that she can sing a song in English.
She said that she .
2、如果宾语从句说的是客观真理、自然现象或事实时，这时宾语从句要用一般现在时态。
例：The teacher said that .(地球围着太阳转)
He told me that Japan is an island country.
3、Could you tell me…是用来征询对方的意见，语气委婉，并不表示过去。
例：Could you tell me when we will visit the History Museum?
注意事项：
由陈述句变成宾语从句时，要注意人称的变化。
例：She said: “I have been to England before.”
She said that she to England before.
She asked me: “Do you like maths?”
She asked me if maths.
4、宾语从句与简单句的交换。
由连接代词和连接副词引导的宾语从句，如果宾语从句的主语和主句的主语是同一个人时，可以用“疑问词+不定式”做宾语的简单句结构。
例：I don’t know what I should do next
I don’t know what next.
He didn’t know where he would live.
He didn’t know where .
5、当do you think ,do you know,do you say,do you hope,do you guess等放于特殊疑问词之后时，宾语从句用陈述语气。
Which one do you think ? (他会买)
Who do you hope ?(我们应该邀请)
DO SOME EXERCISES:
1.Can you see________?
A. what he’s reading B. what is he reading
C. what does he read D. he reads what
2.Does Jack come from Japan? Do you know?(合并成一个句子)
Do you know_____Jack _____from Japan?
3._What did your son say in the letter?
_He told me that he___ the Disney would the next day
A.will visit B. has visited
C. is going to visit D. would visit
4.He didn’t know__________
A.what’s the matter B.what the matter is
C. what was the matter D. what the matter was
5.Somebody called you just now,but I didn’t know____
A.who were they B. who they were
C. who was it D. who it was
6.I want to know_____
A.what is his name B. what’s his name
C. that his name is D. what his name is
7.---Could you tell me ___she is looking for?
---Her cousin,susan.
A.that B.whose C .who D.which
8.---What are you searching the Internet for?
---I’m trying to find out____.
A.What is the difference between SARS and BIRDFLU
B.How many persons have died in Iraq
C.How to protect our environment
D.Why is our Chinese team be able to beat Korea
9.Do you know___________?(谁正在唱歌)
10.Do you know___________?(她正在和谁谈话)
11.Do you know___________?(昨天发生了什么事)
(答案在下页)
The keys: 1 A.2 if ,comes.3D. 4 C. 5 D. 6 D. 7 C. 8 B
9 who is singing
10 who she is talking with
11 what happened yesterday
I．从下列A、B、C、D中选择一个正确选项填空。
1. I don't know _________ he will come tomorrow. _________ he comes, I'll tell you．
A. if; Whether B. whether; Whether C. if; That D. if; If
2. I don't know _________ the day after tomorrow.
A. when does he come B. how will he come
C. if he comes D. whether he'll come
3. Could you tell me _________ the nearest hospital is?
A. what B. how C. whether D. where
4. Could you tell me _________ the radio without any help?
A. how did he mend B. what did he mend
C. how he mended D. what he mended
5. I want to know _________.
A. whom is she looking after B. whom she is looking
C. whom is she looking D. whom she is looking after
6. Do you know where _________ now?
A. he lives B. does he live C. he lived D. did he live
7. Do you know what time _________?
A. the train leave B. does the train leave C. will the train leave D. the train leaves
8. I don't know _________. Can you tell me, please?
A. how the two players are old B. how old are the two players
C. the two players are how old D. how old the two players are
9. The small children don't know _________.
A. what is their stockings in B. what is in their stockings
C. where is their stockings in D. what in their stockings
10. I can't understand _________.
A. what does Christmas mean B. what Christmas does mean
C. what mean Christmas does D. what Christmas means
II. 按要求转换句型。
1. Does Mr. Brown enjoy living in China? Could you tell us?（改写句子）
→Could you tell us _________ Mr. Brown _________ living in China?
2. "Does the girl need any help?” he asked me.（变为复合句）
→He asked me _________ the girl _________ some help．
3. Jim is not a student. Tom is not a student, either.（合并为一个句子）
_________ Jim _________Tom is a student.
4. When does the train leave? I want to know.（改为含宾语从句的复合句）
I want to know _________ the train _________.
5. They went home after they had finished their homework. (用not．．．until改写)
They _________ go home _________ they had finished their homework．
6. Did Peter come here yesterday? Li Lei wants to know. (改为含宾语从句的复合句)
Li Lei wants to know _________ Peter _________ here yesterday.
宾语从句专项训练参考答案：
I. 1—5DDDCD 6—10ADDBD
II. 1. if／whether; enjoys 2. if／whether; needed 3. Neither; nor 4. when; leaves
5. didn't; until 6. whether; came
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