
Her jb is teaching.
What she des is teaching.
在句中充當(dāng)主語的從句叫做主語從句。
1That he will cme is certain.2Whether it will please them is nt easy t say.3What seems easy t sme peple seems difficult t thers.4Which side will win is nt clear.5Why he did it remains a mystery.6When they will start is nt knwn yet.7Hw he became a great scientist is knwn t us all.8Wh will take part in the meeting has nt been decided.9Whever breaks the law will be punished.10Where she is frm is unknwn.
that ①無實(shí)際意義 ②只起連接作用
1.從句中什么成分都不缺,用 2.從句中需要表“是否”的詞,用3.其他,缺什么補(bǔ)什么
如缺“哪一個(gè)”的意思,用
主語從句的連接詞:連接詞 that , whether 連接代詞 wh(ever), whm(ever), which(ever), what(ever)等連接副詞 where ,when ,why ,hw
Cmplete the sentences using what, whether, where, when, wh, why, hw r that.
1.(_____ is needed fr success) is yur hard wrk.
3.(_____ we will g tmrrw )hasn’t been decided yet.
2.(______ they will arrive )has been tld t the teacher.
4.(______ can jin in the sprt meet) is decided by the teacher.
5.(________ it will rain r nt) is nt clear.
When/Hw/Whether
Where/whether
選擇連接詞:缺什么補(bǔ)什么。
主語從句作主語時(shí),謂語動(dòng)詞一般用 。
注意: 由that 引導(dǎo)的主語從句有時(shí)為了使句子結(jié)構(gòu)平衡, 避免 “頭重腳輕”, 常用 it 作形式主語, 而把從句放在后面。 例如:
1. That he will refuse this piece f advice is they shuld like each ther is natural.
It is natural that they shuld like each ther.
It is impssible that he will refuse this piece f advice.
It作形式主語的四種常用句型
It +be+名詞+that從句It +be+形容詞+that從句It +不及物動(dòng)詞+that從句It +be+動(dòng)詞的過去分詞+that從句
1) It is + n. +從句 It is a pity/a fact/a surprise that… *_______________(很遺憾)we lse the match.*______________(這是事實(shí))he cheated in the exam.
It is a pity that
It is a fact that
2) It is + adj. +從句 It is pssible that... It’s certain that… *_________________(很可能)she will cme back tmrrw.
It is pssible that
3) It +不及物動(dòng)詞+從句 It happened that... 剛好…;碰巧… It ccurred t me that… 我突然想起…*It happened that I came int the ffice at that time.*It ccurred t me that I frget t send the letter.
我剛好在那個(gè)時(shí)候進(jìn)入辦公室。
我突然想到我忘記寄信了。
4) It + be +過去分詞+從句 It is said that... It is knwn t all that... It is reprted that... *___________________(據(jù)報(bào)道)20 peple were killed in the accident.
It is reprted that
主語從句的規(guī)律:
找出下列句子中的錯(cuò)誤,并總結(jié)規(guī)律
例1.When will he cme is nt knwn.
規(guī)律一、主語從句一律用陳述語序, 即主語在前,謂語在后。
正:When he will cme is nt knwn.
主語從句的規(guī)律:
例2. He will nt cme t the meeting this evening is true.
正:That he will nt cme t the meeting this evening is true.
規(guī)律二、連詞that 在從句中無實(shí)際意義,但不能省略。
例3. If the meeting will be put ff has nt been decided yet.
正: Whether the meeting will be put ff has nt been decided yet.
規(guī)律三、引導(dǎo)主語從句在句首只能用whether,有it作形式主語的whether/if都可以.
It has nt been decided yet ________ the meeting will be put ff.
例4. That whether he will help thers is a fact.
正:That he will help thers is a fact.
規(guī)律四、主語從句中的連詞不能重疊使用
例5. When he will cme are a puzzle.
正:When he will cme is a puzzle.
規(guī)律五、含主語從句的主句謂語動(dòng)詞多用單數(shù)第三人稱形式。
1. What he needs is that bk.2. What he needs are sme bks.
規(guī)律六、what 引導(dǎo)的主語從句,可根據(jù) 表語決定主句動(dòng)詞的單復(fù)數(shù)形式。
規(guī)律七、主語從句為了避免頭重腳輕現(xiàn)象,用 it 做形式主語,而把從句放在后面。
That the earth turns arund the sun is knwn t all.
It is knwn t all that the earth turns arund the sun.
2. _______ they can slve the questin is still unknwn. A. If B. Which C. Whether D. What
3. _____ he said at the meeting astnished everybdy. A. Why B. What C. That D. Wh
4. ____ is a fact that English is accepted as an internatinal language. A. There B. This C. That D. It
1. _____ we need mre practice is quite bvius. A. What B. That C. When D. /
找出錯(cuò)誤,并給出理由:1.Where shall we spend the hliday isn’t decided. 2.Yu have made a mistake is a fact. 3. If the pliceman will cme is nt certain.4. That is certain that we can win.
That yu have
5. It is rdered we shuld leave at nce.6. Where he cmes frm are a mystery.7. What whether he likes the jb is nt clear.8. Wh he is and where he is frm is imprtant. 9.What he saw is the stars in the sky.
①表 “應(yīng)該,驚訝、惋惜、遺憾”等意義It is imprtant /natural /necessary/strange that... 謂語形式為:(shuld) + V.原形 eg. 很奇怪,他竟沒有來。 It is strange that___________________.
he shuld nt cme
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