1 is walking
2 are waiting
3 isn't moving
4 ... are you coming
5 am sitting
6 isn't having
7 are playing
8 is sitting
9 I'm not wearing
10 isn't standing
11 I'm not writing
12 is having
13 is leaving
14 is making
15 is opening
16 is brushing
17 is singing
18 is listening