16. I ( do )              will do                       it for you tomorrow.
 17. My father ( call )        is going to call                       you in 5 minutes.
 18. We believe that she ( recover ) will recover                                         fromher illness soon .
 19. I promise I ( return )             will return               to school on time. 
 20 . If it rains , he ( stay )        will stay                 at home .
 21 .      Are        You  ( take )    going to take            me to the zoo this weekend ?
22. I think he ( not come )              wont come                  back his hometown.