Ex 18
1 go
2 play
3 are they singing
4 Does Van walk
5 has
6 wear
7 Are you
8 is walking
Ex19
1 am doing - is watching
2 play
3 is singing
4 reads
5 isn't raining
6 doesn't play
7 brush
8 are riding
9 Is - having
10 Do - study
11 are playing
12 is cooking - is washing - am listening
Ex20
1 is playing
2 write
3 am talking
4 are watching
5 visits
6 is shining
7 read
8 are testing
9 washes - goes
10 gets
11 reads
12 watch
13 is singing
14 helps
4 does van walk to school with you
5 has
6 wear
7 ar you ready ?
8 is walking
ex 19
do - watches
play
is singing
reads
isn't rainning
doesn't play
brush
are riding
is - having
does - study
are playinng'
is cooking - is washing - am listening
ex 20
is playing
write
am talking
are watching
visits
is shinning
read
are testing
washes - goes
gets
reads
watch
is singing
helps
