1. He spends all his free time to look after his garden.
2. He prefers to listen to pop music than to watch TV after school. 
3. It's very interesting to making crafts or collecting things like stamps and coins.

1. He spends all his free time to look after his garden.
2. He prefers to listen to pop music than to watch TV after school. 
3. It's very interesting to making crafts or collecting things like stamps and coins.

1. He spend his free time too look after his garden
2.He prefer to listen to music than to watch TV after school
3.Making crafts or collecting things like stamps or coins It's very interesting

1 He uses all his free time to look after his garden.( spend)
=> He spend all his free time looking after his garden 
2 He likes to listen to pop music than to watch TV after school. (prefer)
=> He prefer listening to pop music to watch TV after school
3. Making crafts or collecting things like stamps and coins are very interesting. ( It's )
=> It's very interesting to make crafts or collecting like stamps and coins .