1.If you take more exercise, you will start to feel better
2.Tom will not pass all his exams if he doesn't study harder
3.If you have a social media site account, I will invite you to be my friend
4.Paul will study English if he goes to university.
1)taked
2)started
3)doesn't passed
4)doesn't study
5)have
6)invite
7)studied
8)go