状语从句省略不是涉及该用动词的ed形式还是ing形式或have +动词ed.这样的用法如何判断,
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状语从句省略不是涉及该用动词的ed形式还是ing形式或have +动词ed.这样的用法如何判断,
状语从句省略不是涉及该用动词的ed形式还是ing形式或have +动词ed.这样的用法如何判断,
状语从句省略不是涉及该用动词的ed形式还是ing形式或have +动词ed.这样的用法如何判断,
状语从句省略不是涉及该用动词的ed形式还是ing形式或have +动词ed.这样的用法如何判断,高手帮忙.0分
答:状语从句省略"主+Be"条件是其主语与主句的相同或为it谓语中有be动词如When (water is) heated, water will become vapour.
When (you are )crossing the street, you should be careful.
If (it is) necessary, I will help you.
没有第三情况.
用脑袋分辨就行了
状语从句的省略:当状语从句的主语和主句的主语一致,并且从句的谓语是be动词时,就省掉从句中的主语和be动词。大多数情况就和分词短语做状语一样了,有时候也会是形容词做状语,表状态。
e.g。1.When you are crossing the road,be careful (状语从句)
=(When)crossing the road,be carefull.
2...
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状语从句的省略:当状语从句的主语和主句的主语一致,并且从句的谓语是be动词时,就省掉从句中的主语和be动词。大多数情况就和分词短语做状语一样了,有时候也会是形容词做状语,表状态。
e.g。1.When you are crossing the road,be careful (状语从句)
=(When)crossing the road,be carefull.
2.(If water is )heated,it can turn into gas..
3.Although ( he was )tied,he kept on reading.
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1.如果是被动语态,状语从句省略时,主要动词用ed 的形式。When an animal is shot, it connot run away.省略后为:When shot, an animal connot ryn away.
2. 如果是主动语态,分两种情况:
(1)各种完成时,状语从句省略时,助动词have(has,had)用having 的形式,并保留动词过去分词形式不变...
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1.如果是被动语态,状语从句省略时,主要动词用ed 的形式。When an animal is shot, it connot run away.省略后为:When shot, an animal connot ryn away.
2. 如果是主动语态,分两种情况:
(1)各种完成时,状语从句省略时,助动词have(has,had)用having 的形式,并保留动词过去分词形式不变。After he had read, he slept.省略后为:After having read, he slept.
(2)其它时态,状语从句省略时,主要动词用ing的形式。When he aet(or eats or is eating or was eating), he made noises.省略后均为:When eating, he made noises.
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