1. visit
often → HTĐ
2. like
Hoạt động thường xuyên → HTĐ
3. is taking
HTĐ + because + HTTD
4. is riding
Look → HTTD
5. go
sometimes → HTĐ
6. watch
three DVDs a week → HTĐ
7. are playing
now → HTTD
8. are speaking
Right now → HTTD
9. play
sometimes → HTĐ
10. does, do
usually → HTĐ
*Cấu trúc thì hiện tại đơn:
(+) S + V_inf/ V-e,es
(- ) S + don't/ doesn't + V_inf
(? ) Do/ Does + S + V_inf?
*Cấu trúc thì hiện tại tiếp diễn:
(+) S + is/ am/ are + V_ing
(- ) S + is/ am/ are + not + V_ing
(? ) Is/ Am/ Are + S + V_ing?
