Bài 2 :
1.My father is watering some plants.
2.My mother is cleaning the floor.
3.Marry is having lunch with her friends at a restaurant.
4.They are asking a man about the way to the railway station.
5.My student is drawing a beautìul picture .
Bài 3 :
1. Do => doing
2.Play => playing
3.Does => is
4.Is => are
5.You are => are you
Bài 1 :
1.is going
2.is crying
3.Is...sitting
4.are trying
5.are cooking
6.are talking
7.am not staying
8.is lying
9.Are they traveling
10.isn't working