The example:
A: I wonder why David was in such a bad mood yesterday.
B: He may not have been feeling well.
I don't understand why they use "been V-ing" but "may not have felt". Is there any different meaning between them. Please explain to me. I'm confused how and when to use these tense correctly. Thanks a lot.
Please do not double post. Allow enough time for a moderator to approve your post. CJ
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Please do not double post.
Allow enough time for a moderator to approve your post.
CJ