Ex. 189
1) who began
2) who was
3) who teaches
4) who often uses
5) who often does
6) who wants to make
7) who was
8) who has got
9) who keeps
10) who will be happy
ex. 190
1) is crying, cries
2) isn't, am taking
3) am talking
4) is running
5) is, does
6) think
7) am thinking
8) think
9) want
10) is speaking, don't understand