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