being down

being down是一种被动语态,其实质是考察being done 的用法,例如:He landed on his feet after being down and out.经过贫困潦倒以后,他重新站了起来.being done的

being down是进行时的被动语态,having been down是现在完成进行时的被动语态.不是动名词短语,要看它在句子中作什么成分,才可以确定是不是作宾语.

在这 是 落后 的意思

原问题描述应该是:have done 和 be doing, 注意down不是动词, 而且是be不是being.英文有非常明确的时态标记,现在分词代表现在正在做的事情,完成时表示已经

非谓语动词being done结构有哪些用法 being done如果构成谓语只有一种可能,就是与动词be一起构成被动语态的进行时态.如:Your steak is being grilled and will be

1. sth being done是一个名词短语,其用现在分词的被动结构作后置定语修饰前面的sth,可以翻译成“正在被的某物”.如:can you see the bridge being built?你能看见那座正在被建的桥吗?2. 当然,也有可能出现“及物动词 + sth being done”的用法,此时sth为宾语,而being done为宾语补足语.如:i saw this brdige being built yesterday.昨天我看到这座桥正在被建.

没有 be worth being done而有be worth doing要用主动式表示被动.没有be worthy of doing而有be worthy of being done/be worthy to be done.

你见到过直接being down的句子?只有在某些动词后面会有being done,比如stop being sillybe being done表示现在进行时的被动

being done 的用法涉及动名词(gerund)和现在分词(the present participle) 两种.动名词的被动式在句子中充当主语、宾语和表语等,其功能相当于名词或代词;现在

being done用来做非谓语,而am/is/are being down是完整的谓语.JINGRUIJIAOYU MISS YU

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