1. My Younger sister really enjoys hanging out with friends
enjoy + V_ing: thích
2. Cars go faster than motorbikes
$S_{1}$ + V + adv-er/ more adv + than + $S_{2}$
3. It is very interesting to collect flowers
It is + adj + to V: Thật là ... để ...
4. Tom dislikes reading poems
dislike + V-ing
5. It's better to avoid spending too much time on computer games
avoid + V_ing: tránh