Question

He said," It might rain in the evening.
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Answer 1

Answer:

Here “might” and “could” are used as modal verbs which express possibility.

Now that you have asked this, we could look at the words “could” and “might” closely and understand when they would really make a difference.

The words “could” and “might” could be used as past tense of “can” and “may”.

Answer 2

Answer:

He said that it may rain in the evening.

hope it helps..