如何簡化從句
英語從句法上分有詞類（實(shí)詞 虛詞）、句型結(jié)構(gòu)（五大句型結(jié)構(gòu)）、和句子類型（簡單句、復(fù)合句），復(fù)合句有名詞性從句（主語從句、表語從句、賓語從句、同位語從句），形容詞從句（定語從句）副詞性從句（狀語從句）。如果如果學(xué)生能夠正確理解句子并能簡化，運(yùn)用時(shí)就可以用不同的形式表達(dá)同樣的意思。無論做選擇題還是運(yùn)用到寫作上，都會(huì)有不同的效果，那么該如何簡化呢？下面是小編收集到的關(guān)于如何簡化從句的方法，一起來看看吧。
一、如何簡化賓語從句
1.當(dāng)謂語動(dòng)詞是 tell teach discuss wonder等詞時(shí)，后面的賓語從句可轉(zhuǎn)化為特殊問句詞+不定式。
如：He showed us how we should do the work.
→He showed us how to do the work.
I do not know what I will do →I do not know what to do.
2.謂語動(dòng)詞是 decide hope wish choose等詞時(shí)如果主句和從句主語相同,可轉(zhuǎn)化為V+不定式短語
she hopes that she will be back soon.
→she hopes to be back soon.
二、如何簡化定語從句
1.用過去分詞
He is the only person who was invited to the Party.
→He is the only person invited to the Party.
2.用現(xiàn)在分詞
I have a friend who lives in Londen.
→I have a friend living in Londen.
3.用不定式
He has a large family that he must support.
→He has a large family to support.
4.用介詞短語
The reason why he was absent was that he was ill.
→The reason for his absence was that he was ill.
三、狀語從句轉(zhuǎn)化
1.由when since as than while if 引導(dǎo)的狀語從句，如果主語與從句主語一致，從句主語可省
you must be careful when you are crossing the street .
→you must be careful crossing the street .
2.當(dāng)從語的主語是it謂語動(dòng)詞是be或從語為there be句型，時(shí)，it和be或there be句型可省略
He will be here to give you help when it is necessary.
→He will be here to give you help when necessary
We can go here if it is necessany→We can go here if necessany
3.so—that引導(dǎo)的從句可轉(zhuǎn)化為too_to not enough- to或in order to
she is so young that she can not go to school.
→she is too young to go to school.
→she is not old enough to go to school. He got up early so that he might catch the early bus.
→He got up so early as to catch the early bus.
→In order to catch the early bus, he get up early.
4.if引導(dǎo)的主從條件復(fù)合句可轉(zhuǎn)化為祈使句+and+將來時(shí)
If you word hard,you will succeed
→Work hard and you will succeed
If you can give us one more week, we will finish it.
→One more week,and we will finish it.
5.once引導(dǎo)的時(shí)間狀語從句簡化為once+過去分詞
The research is so designed that once it is begun,nothing can be done to change it.
→The research is so designed that once begun nothing can be done to change it.
6.as soon as the moment the minute the insrant immediately directly可轉(zhuǎn)化：
1）on+n/ving 如：on his arrival/on hearing the news.
2）to/at+n at the sight of /to the sound of
四、其他
1.虛擬句的轉(zhuǎn)化
If there had not been his help, I would not have made so much progress.
→Without his help , I would not have made so much progress.
還可用but for
2.并列句的轉(zhuǎn)化
One of the sides of the board should be painted yellow, and the other should be painted white.
→One of the sides of the board should be painted yellow,and the other white.
3.主語從句
What we should do next still remains a problem.
→What to do next still remains a problem.
4.表語從句
My idea is that we should do more work with less money.
→My idea is for us to do more work with less money.
5.It is said/thought 可轉(zhuǎn)化為sb is said/sb is thought
It is said that he is rich→ He is said to be rich.
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