Respuesta:
1) going
2) riding
3) playing
4) isn't singing
5) aren't running
6) isn't crying
7) are ... swimming
8) is she sitting
9) is he smiling
B. organise the words
1. she is jumping very high
2. he is listening to music in his room
3. they are painting a portrait
4. I am cleaning a window
5. Paula and Tim are dancing
6. the bird is flying
7. our friends aren't swimming
8. my daddy isn't reading a newspaper
9. I am not eating a sandwich
10. our parents are watching TV
11. he isn't walking his dog
12. is he throwing the ball?
13. is she knitting a sweater ?
14. are you climbing a mountain
15. is your grandpa fishing?
16. is it running very fast?
c. choose the right form
1) is
2) are
3) am
4) are
5) are
6) is
7) am
8) are
9) is
10) is
11) am
12) are
13) are
14) are
15) is
16) am
Explicación:
present continuous
