1.They find listening to music in their free time interesting.

-> They enjoy .......listening to music in their free time......( enjoy+ V_ing)

2.Mai ran faster than Nam.

-> Nam ..ran more slowly than Mai..........( so sánh hơn, dùng more)

3.He can sing well.

-> He is ...........a good singer( So sánh hơn, thêm er)

4.No girl in this village is cuter than my sister

->My sister .........is the cutest girl in this village....( so sánh nhất, thêm est )

`1.` They enjoy listening to music in their free time

S + enjoy + V_ing: thích làm gì

`2.` Nam ran slowlier than Mai

$S_{1}$ + V + adv-er/ more adv + than + $S_{2}$

`3.` He is a good singer

S + be + (a/ an) + adj + noun

`4.` My sister is the cutest in this village

S + be + the + adj-est/ most adj+ in/ on/ at/ of all/...