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英语
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have been (ing) doing sth.意思?有(ing)吗?
人气:239 ℃ 时间:2020-06-16 01:21:40
解答
从语法的角度看没有been (ing)的写法 举个例子吧,i have bee n t o Newyork,我曾经去过纽约句型是一直在做某事呢???doing表示一直的have been doing sth
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