He is a good soccer player

1) He is a good soccer player
--> He plays..................
2) You'd better not spend much of your time on playing games
--> You ought................
3) How much is airmail to send to Quy Nhon?
-->How much does...............
4) What is the price of the surface mail?
--> How much does.............
5) I began studying English three years ago
--> I have ..........