Đáp án:

1. Her dad is watering some trees in the garden.

2. My younger sister is cleaning the floor.

3. Tiana is having lunch with her friends at a restaurant. 

4. They are asking a woman about the way to the railway station.

5. My friend is drawing a beautiful picture. 

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Công thức thì HTTD 

(+) S + am/is/are + Ving 

(-) S + am/is/are + not + Ving 

(?) Am/Is/Are +S +Ving? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

DHNB: now, right now, (!), at present, at the moment,.....