分词原句:If we heat water enough,we can change it into vapour.——
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分词
原句:If we heat water enough,we can change it into vapour.
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1.Heating water enough,we canchange it into vapour.
2.If we heat it enough,water can be changed into vapour.
3.Heated enough,water can be changed into vapour.
为什么第三句开头要用过去分词(理由),能不能和第一句一样用现在分词?
我的意思是第三句Heated enough为什么不能改成being heated enough?
Being heated enough,water can be changed into vapour.为什么?
原句:If we heat water enough,we can change it into vapour.
————————————————————————————
1.Heating water enough,we canchange it into vapour.
2.If we heat it enough,water can be changed into vapour.
3.Heated enough,water can be changed into vapour.
为什么第三句开头要用过去分词(理由),能不能和第一句一样用现在分词?
我的意思是第三句Heated enough为什么不能改成being heated enough?
Being heated enough,water can be changed into vapour.为什么?
不能.
分词作状语时,其逻辑主语应与句中主语相一致.现在分词作状语时,表示正在进行的或主动的动作.如:Heating water enough,we can change it into vapour.heating的逻辑主语是we,这是主动动作.过去分词作状语表示被动或完成的动作,比如第三句和heated的逻辑主语是water、是被动关系.
being done是现在分词的一般被动式、常用来作原因状语或表示正在进行的被动动作,而水被加热变成水蒸汽是一般的情况,用过去分词表被动就可以了.
分词作状语时,其逻辑主语应与句中主语相一致.现在分词作状语时,表示正在进行的或主动的动作.如:Heating water enough,we can change it into vapour.heating的逻辑主语是we,这是主动动作.过去分词作状语表示被动或完成的动作,比如第三句和heated的逻辑主语是water、是被动关系.
being done是现在分词的一般被动式、常用来作原因状语或表示正在进行的被动动作,而水被加热变成水蒸汽是一般的情况,用过去分词表被动就可以了.
分词原句:If we heat water enough,we can change it into vapour.——
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