1 a Jogging it is very healthy.
b Jogging is very healthy. (v)
2 a Let me help you carrying the bags
b Let me help you to carry the bags
3 a My parents are looking forward to meet you.
b My parents are looking forward to meeting you.
4 a Would you like to come with us tonight?
b Would you like coming with us tonight?
5 a You should exercise more.
b You should to exercise more.
6 a I saw her to leave an hour ago.
b I saw her leave an hour ago.
7 a She's interested in learning how to skate.
b She's interested in learning how skating.
8 a I was made rewrite the essay.
b I was made to rewrite the essay.