1) Nam started to learn English 7 years ago ( for )
=> Nam has
2) I started learing English when I was in class ( since )
=> I have
1) Nam started to learn English 7 years ago ( for ) => Nam has 2) I started learing English when I was in class ( since ) => I have
By Autumn
1. Nam has learning English for 7 years.
2. I have started learning English since I was in class.
1. Nam has learnt English for 7 years
2. I have learnt English since I was in class
*Form: S+started/began+to_V/V_ing+tg (QKĐ)
=S+have/has+p2+tg (HTHT)