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3 votes
2 answers
125 views

Having a hard time distinguishing between the simple and perfective aspects

It seems to me that the truth conditions for "David baked cookies" are identical to "David has baked cookies," in that both are true if at some moment of time in the past "...
m. lekk's user avatar
  • 267
0 votes
1 answer
62 views

Is have+ negation equal to imperfective?

I know aspect can be categorized into perfective and imperfective, but I'm just curious whether the example "John hasn't gone to Paris" is still perfective or converted into imperfectve?
ronghe's user avatar
  • 605
1 vote
1 answer
176 views

some basic questions about morphological aspect

According to the definition, morphological aspect presents the reported event or state of affairs as if viewed either from inside the event (‘in progress’) or outside the event (‘as a whole’). For ...
ronghe's user avatar
  • 605