Помогите пожалуйста, необходимо поменять форму глагола в скобках.1 If I... (be)

Помогите пожалуйста, необходимо изменить форму глагола в скобках.
1 If I... (be) taller, I would play in a basketball team.
2 If they were more careful, that Monday accident... (happen).
3 If I were you, I... (do) this work yesterday.
4 If I ... (meet) him, you will be the first to know.
5 If our guests... (stay) a bit longer, they will be able to meet our parents .
6 If you were not in a humy, they .. (explain) everything to you.
7 They... (not, invite) you to join the English club, i they had known you do not speak English.
8 If you... (see) them tomorrow, please let them knowl am coming this weekend.