如何區(qū)分英語四大從句

1、名詞性從句名詞性從句主語從句主語從句賓語從句賓語從句表語從句表語從句同位語從句同位語從句主語從句主語從句?連接詞連接詞uthat引導(dǎo)的主語從句：引導(dǎo)的主語從句：1. It is + adj. (obvious, true, natural, surprising, wonderful, funny, possible, certain, ect.) + that 從句從句It is certain that she will do well in her exam.that that 是否可以省略是否可以省略? ?That she will do well in her exam is cer

2、tain. ( )that that 在句首時絕對不能省在句首時絕對不能省. .口語中口語中thatthat引導(dǎo)真正的主語時引導(dǎo)真正的主語時,that,that可省可省. . 2. It is + 名詞詞組名詞詞組（no wonder, a good thing, a pity, no surprise, ect.) + that 從句從句Its a pity that we cant go.that that 是否可以省略是否可以省略? ?That we cant go is a pity. ( )that that 在句首時絕對不能省在句首時絕對不能省. .口語中口語中thatthat引導(dǎo)

3、真正的主語時引導(dǎo)真正的主語時,that,that可省可省. . 3. It is + 過去分詞過去分詞（ said, reported, thought, expected, decided, announced, arranged, ect.) + that 從句從句It is decided that the meeting has been put off till next Monday.that that 是否可以省略是否可以省略? ?that that 在句首時絕對不能省在句首時絕對不能省. .口語中口語中thatthat引導(dǎo)真正的主語時引導(dǎo)真正的主語時,that,that可省可省

4、. . That the meeting has been put off till next Monday is decided. ( )主語從句主語從句uthat 引導(dǎo)的主語從句引導(dǎo)的主語從句that that 置于句首時絕對不能省置于句首時絕對不能省, ,口語中口語中thatthat引導(dǎo)真正的主語引導(dǎo)真正的主語時時,that,that可省可省. . _ the meeting will be given is still a problem. It is doubtful _ he will come here.Whetherwhether/ if主語從句放于句首，只能用主語從句放于句首

5、，只能用whetherwhether當(dāng)當(dāng)it it 作形式主語，主語從句放在句末時用作形式主語，主語從句放在句末時用whether whether 或或if if 均可。均可。翻譯翻譯:uwhether / if引導(dǎo)的主語從句引導(dǎo)的主語從句明天是否開會仍然是個問題明天是否開會仍然是個問題. .他是否會來這還令人懷疑他是否會來這還令人懷疑. .?主語從句主語從句uthat 引導(dǎo)的主語從句引導(dǎo)的主語從句uwhether / if引導(dǎo)的主語從句引導(dǎo)的主語從句that that 一般不能省一般不能省主語從句放于句首，只能用主語從句放于句首，只能用whether當(dāng)當(dāng)it 作形式主語，主語從句放在句末作形

6、式主語，主語從句放在句末時用時用whether 或或if 均可。均可。u特殊疑問詞引導(dǎo)的主語從句特殊疑問詞引導(dǎo)的主語從句It makes no difference _ we shall have the meeting.whereIt has not been decided yet _ will president over the meeting.who主語從句主語從句uthat 引導(dǎo)的主語從句引導(dǎo)的主語從句uwhether / if引導(dǎo)的主語從句引導(dǎo)的主語從句u特殊疑問詞引導(dǎo)的主語從句特殊疑問詞引導(dǎo)的主語從句uwhat, wh- ever 引導(dǎo)的主語從句引導(dǎo)的主語從句What they

7、 need is a good textbook.Whoever did this job must be rewarded.他們需要的是一本好課本他們需要的是一本好課本. .無論誰干了這件工作一定要得到酬謝無論誰干了這件工作一定要得到酬謝. .翻譯翻譯: :主語從句主語從句uthat 引導(dǎo)的主語從句引導(dǎo)的主語從句uwhether / if引導(dǎo)的主語從句引導(dǎo)的主語從句u特殊疑問詞引導(dǎo)的主語從句特殊疑問詞引導(dǎo)的主語從句uwhat, wh-ever 引導(dǎo)的主語從引導(dǎo)的主語從句句賓語從句賓語從句?連接詞連接詞請說出以下句子請說出以下句子that 是否可省略是否可省略Do you know that

8、he has joined the army?( ) Im sure that he will pass the exam.( ) adj. adj. 的賓語的賓語We think it highly probable that he is dead.由由it it 作形式賓語時，作形式賓語時，that that 引導(dǎo)的真正賓語中，引導(dǎo)的真正賓語中， that that 不可省略。不可省略。uthat that 引導(dǎo)的賓語從句：引導(dǎo)的賓語從句：賓語從句賓語從句uthat 引導(dǎo)的賓語從句引導(dǎo)的賓語從句一般可省一般可省由由it 作形式賓語時，作形式賓語時，that 引導(dǎo)引導(dǎo)的真正賓語中，的真正賓語

9、中， that 不可省不可省略。略。I dont care _ he doesnt come.I dont care _ he comes or not.I dont care _ or not he comes.I dont know _ to go there.It depends on _ you can do the work well.whetheruwhether / if引導(dǎo)的賓語從句引導(dǎo)的賓語從句ifwhether / ifwhetherwhether賓語從句為否定句時用賓語從句為否定句時用if if介詞后只能用介詞后只能用whetherwhetherwhether + to

10、dowhether + to dowhether or notwhether or notwhether / ifwhether / ifor not ( or not ( 口語中有時用口語中有時用 if )if )賓語從句賓語從句uthat 引導(dǎo)的賓語從句引導(dǎo)的賓語從句uwhether / if引導(dǎo)的賓語從句引導(dǎo)的賓語從句u特殊疑問詞引導(dǎo)的賓語從句特殊疑問詞引導(dǎo)的賓語從句I cant imagine how he did it.We are worrying about what we should do next.作介詞賓語作介詞賓語陳述語序陳述語序賓語從句賓語從句uthat 引導(dǎo)的賓語從

11、句引導(dǎo)的賓語從句uwhether / if引導(dǎo)的賓語從句引導(dǎo)的賓語從句u特殊疑問詞引導(dǎo)的賓語從句特殊疑問詞引導(dǎo)的賓語從句uwhat, wh-ever 引導(dǎo)的賓語從句引導(dǎo)的賓語從句We shall not forget when ( = the time when ) the meeting will open.She will give whoever (= anyone who) needs help a warm support.She walked up to where (= the place where) he stood.賓語從句賓語從句uthat 引導(dǎo)的賓語從句引導(dǎo)的賓語從句u

12、whether / if引導(dǎo)的賓語從句引導(dǎo)的賓語從句u特殊疑問詞引導(dǎo)的賓語從句特殊疑問詞引導(dǎo)的賓語從句uwhat, wh-ever 引導(dǎo)的賓語從引導(dǎo)的賓語從句句表語從句表語從句?連接詞連接詞 My decision is that all of us are to start at 6 oclock tomorrow morning.uthat 引導(dǎo)的表語從句引導(dǎo)的表語從句that that 是否可以省略是否可以省略? ?表語從句表語從句uthat 引導(dǎo)的表語從句引導(dǎo)的表語從句uwhether / if引導(dǎo)的表語從句引導(dǎo)的表語從句The problem is whether the meeti

13、ng will be given.此時的此時的whether 是否可以用是否可以用if 替換替換?表語從句表語從句uthat 引導(dǎo)的表語從句引導(dǎo)的表語從句uwhether 引導(dǎo)的表語從句引導(dǎo)的表語從句u特殊疑問詞引導(dǎo)的表語從句特殊疑問詞引導(dǎo)的表語從句My question how I shall get in touch with him had not been answered.表語從句表語從句uthat 引導(dǎo)的表語從句引導(dǎo)的表語從句uwhether 引導(dǎo)的表語從句引導(dǎo)的表語從句u特殊疑問詞引導(dǎo)的表語從句特殊疑問詞引導(dǎo)的表語從句uWhat, wh-ever 引導(dǎo)的表語從句引導(dǎo)的表語從句Th

14、is is where our problem lies.表語從句表語從句uthat 引導(dǎo)的表語從句引導(dǎo)的表語從句uwhether 引導(dǎo)的表語從句引導(dǎo)的表語從句u特殊疑問詞引導(dǎo)的表語從句特殊疑問詞引導(dǎo)的表語從句uwhat, wh-ever 引導(dǎo)的表語從引導(dǎo)的表語從句句uas if/ as though, because, why 引導(dǎo)的表引導(dǎo)的表語從句語從句It looked as if it was going to rain.That was why I asked for three days leave.Thats because he didnt work hard enough.b

15、ecause because 引導(dǎo)的表語從句引導(dǎo)的表語從句, ,主語能不能是主語能不能是reason reason 或或cause?cause?because because 是否可以換成是否可以換成since, as since, as 引導(dǎo)引導(dǎo)表語從句表語從句? ?表語從句表語從句uthat 引導(dǎo)的表語從句引導(dǎo)的表語從句uwhether 引導(dǎo)的表語從句引導(dǎo)的表語從句u特殊疑問詞引導(dǎo)的表語從句特殊疑問詞引導(dǎo)的表語從句uwhat, wh-ever 引導(dǎo)的表語從引導(dǎo)的表語從句句uas if/ as though, because, why 引導(dǎo)的表語從句引導(dǎo)的表語從句同位語從句同位語從句?連接詞

16、連接詞uthat 引導(dǎo)的同位語從句引導(dǎo)的同位語從句Theres a feeling in me that well never know what a UFO is not ever.連詞連詞that 引導(dǎo)同位語從句時引導(dǎo)同位語從句時, 應(yīng)在某些抽象名詞應(yīng)在某些抽象名詞之后之后,如如: fact, hope, desire, thought, suggestion, idea, news, problem, possibility等等, 對前面的名詞起補(bǔ)充說明的作用對前面的名詞起補(bǔ)充說明的作用.?that that 在同位語從句中是否做成分在同位語從句中是否做成分? ?that that 是否

17、能省略是否能省略? ?同位語從句同位語從句uthat 引導(dǎo)的同位語從句引導(dǎo)的同位語從句uwhether 引導(dǎo)的同位語從句引導(dǎo)的同位語從句I have no idea _ the meeting will be given.whether?此處是否可以用此處是否可以用if?if?我不知道會是否要開我不知道會是否要開. .同位語從句同位語從句uthat 引導(dǎo)的同位語從句引導(dǎo)的同位語從句uwhether 引導(dǎo)的同位語從句引導(dǎo)的同位語從句u特殊疑問詞引導(dǎo)的同位語從句特殊疑問詞引導(dǎo)的同位語從句My question how I shall get in touch with him had not be

18、en answered.同位語從句同位語從句uthat 引導(dǎo)的同位語從句引導(dǎo)的同位語從句uwhether 引導(dǎo)的同位語從句引導(dǎo)的同位語從句u特殊疑問詞引導(dǎo)的同位語從句特殊疑問詞引導(dǎo)的同位語從句uwhat, wh-ever 引導(dǎo)的同位語從句引導(dǎo)的同位語從句I gave the girl a big doll, exactly what she longed to have.同位語從句同位語從句uthat 引導(dǎo)的同位語從句引導(dǎo)的同位語從句uwhether 引導(dǎo)的同位語從句引導(dǎo)的同位語從句u特殊疑問詞引導(dǎo)的同位語從句特殊疑問詞引導(dǎo)的同位語從句uwhat, wh-ever 引導(dǎo)的同位語引導(dǎo)的同位語從句從句Revision名名詞詞性性從從句句主語從句主語從句賓語從句賓語從句表語