being able to 用于什么时态?therefore,is to look upon the dictionary writer as being able to see into the future,which neither he nor anyone else can do.

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being able to 用于什么时态?
therefore,is to look upon the dictionary writer as being able to see into the future,which neither he nor anyone else can do.

be able to 可以用于各种时态,但是
being able to + 动词 是以动名词的形态体现,在句子中作为主语或宾语,表达XX能力或某种状态,因此与时态不发生直接关连.

不是时态而是现在分词短语