ОЧЕНЬ ПРОШУ, помогите.

1. Can you imagine playing/ to play tennis with Rafael Nadal?
2. Howard managed to score / scoring four points in the match.
3. My sports teacher advised me not to train / not to train so hard.
4. Mum and Dad are encouraging me trying/me to try the exam.
5. They can't make you do / doing your homework!
6. I think Manchester City might win /to win the cup this season.​