1. Vinh really loves to hang out with friends.

=> Vinh really enjoys to hang out / hanging out with friends (enjoys + V-ing)

2. Playing beach games is very interesting.

=> It is very interesting to play beach games (It is + adj + to + V-infi)

3. It is not a good idea to spend too much time on computer games.

=> It’s better to avoid spend too much time on computer games (avoid + V-ing)

4. My parents insist me on learning something interesting.

=> My parents wants me learning something interesting (want + to V)