The best thing I______(Learn) this year is how to play football better. I____(Learn) some great new techniques. My coach

Во всех предложениях нужно употребить Present Perfect, так как: а) упор идет на результат; б) период времени, в который совершалось действие, еще не закончился. The best thing I have learnt this year is how to play football better. I have learnt some great new techniques. My coach has taught me this. He has been my coach for two years.