由于受到污染,河里的水已经不能再喝了 句子主干 the water can't be drunk 水不能被喝 any longer 做状语修饰前面,指时间上,不再 in the river 介词短语限定前面的water Being caused by pollution ,针对后面的water ,指水不能喝的原因(是由于被污染),属于现在分词短语作原因状语
Being caused by pollution, the water in the river can't be drunk any longer 这句中 主语是the water 谓语是 be drunk 被动语太 Being caused by pollution是这里是现在分词引导做原因状语 in the river 修饰 the water 这里是介...
中意:由于污染,河里的水已经不能再喝了 句子主干 the water can't be drunk 水不能被喝 any longer 修饰前面,指时间上,不再 in the river 介词短语限定前面的water Being caused by pollution ,针对后面的water ,什么被污染,水被污染