=>

1. It's better to avoid spending much time on computer games.

-> avoid Ving : tránh làm gì

2. It is very interesting to play beach games.

-> It's adj to V

3. Jenny dislikes reading poetry.

-> dislike Ving : không thích làm gì

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

It’s better to avoid spending to much time on computer games.

(Avoid SO doing sth)

2. Playing beach games is very interesting

It is very interesting to play beach games.

3. Jenny finds reading poetry boring

Jenny dislikes reading poetry boring.

(Dislike +V_ing)