"your uncle died"
The correct version is "I saw her yesterday."
"Thank you for delivering it to me yesterday"
since yesterday afternoon is correct. since + the point-in-time ; for + time range.
"Did you watch yesterday's match?"
No. You could say 'you could have come yesterday', or 'you would have come yesterday', or 'if you had come yesterday', though.
The correct version is "I saw her yesterday."
"Thank you for delivering it to me yesterday"
No, you must say I was in London yesterday.
i did not went yesterday. is this sentnce correct?
since yesterday afternoon is correct. since + the point-in-time ; for + time range.
The former needs a subject, i.e. I did it yesterday. The latter requires a helping verb and a subject, i.e. I haddone it yesterday. With proper conjugation, they are both correct.
The correct phrase is "Whom did you meet yesterday?" because "whom" is used as the object of the verb "meet" in this question.
The correct form is "He went to school yesterday, didn't he?"
"He and I met yesterday" is correct. Subjects use the nominative case (I, we, he, she) while objects use the objective case (me, us, him, her).
"Did you watch yesterday's match?"
He left to Delhi yesterday. Yesterday, he left for Delhi. He left yesterday for Delhi. He went to Delhi yesterday.
It could be: ''I had seen him twice yesterday, and he looked perfectly healthy; therefore, I was very surprised this morning to hear that he had died.''