Question

he says to me, " I was ill yesterday ".​

Answer 1

Explanation:

he told me that he was ill the previous day

Answer 2

Answer:

The tense of the reported speech changes with the change in its reporting verb.

Here, the tense of the reported speech is in present tense whereas the reporting verb is in past tense.

So, the correct answer should be =>

He told me that he was ill yesterday.