Question

Use the correct forms of the verbs in parentheses.
15. For the last year he (to go) to some classes at night.
16. Even after Glenn (to nod) to her, she (to continue) to look
as if she (not to know) whether to run away from him or
to walk back down the corridor to where he (to stand).
(Caldwell)
17. Miss Casement stopped what she (to do) and (to stare)
at Ranisborough. (Murdock)
18. I never (to insult) so in my whole life.
19. The storm grew worse and worse, and the rain (to fall)
in torrents, and little Hans (can not, to see) where he (to
go). (Wilde)

Answer 1

15. has gone
16. had nodded, continued,  didn't know, was standing
17/ was doing, stared
18. I was never insulted so...
19. was falling, was couldn't see, was going.

God bless you!