9. Look! She ( sing) is singing

10. Listen! My mother ( run ) is running after a dog.

11. Now we ( live ) are living in Lao Bao.

12. At this time, Nga ( studying) is studying Le Quy Don specialized and gifted high school in Quang Tri.

13. What are  they ( do ) doing at the moment? They ( learn ) are learning for exam.

14. We ( play ) are playing table tennis now, they are playing tennis.

*CẤU TRÚC THÌ HIỆN TẠI TiẾP DIỄN:

 -Dấu hiệu nhận biết: look, listen, now, at this time, at the moment

-Cấu tức : S + be +  V_ing + O

`9)` is singing

`10)` is running

`11)` are living

`12)`is studying

`13)`are they doing`-`are learning

`14)`are playing

`text{Look,listen,now,at this time,at the moment}` là `DH` thì `HTTTTD`

$->S+am/is/are +$ $Ving+O$