Respuesta:
1. Are standing
2. is watching
3. passes
4. are you going
am going
do you go
5. Does your brother work
6. Is it raining
is blowing
Does it often rain
7. is crying
8. gathers
9. are preparing
prepare
10. teaches
11. am meeting
12. are you doing
are making
13. do you get up
14. is sleeping
15. is taking
Explicación:
