... The Past Future Perfect过去将来完成时 The Present Perfect Continuous现在完成进行时 The Past Perfect Continuous过去完成进行时 ...
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Today, we are going to talk about the present perfect continuous tense.
今天，我们谈谈什么是现在完成进行时。
The question is in the present perfect continuous so you will answer with the verb in the continuous.
For example：这个问题是用现在完成进行时来提问的，所以回答时也用进行时态的这个动词。
You'll notice that's its very common for a native speaker to use the present perfect continuous like this when greeting a buddy.
你会发现对于一个母语使用者，他们在问候兄弟时很喜欢用现在完成进行时。
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