1.  Delia (have) time to help us in the garden tomorrow?

WILL Delia HAVE time to help us in the garden tomorrow?

2.  Are you sure that your grandma (recognize) us?

Are you sure that your grandma WILL RECOGNIZE us?

3.  Unless he runs, your husband (not catch) the 8:30 train.

Unless he runs, your husband WILL NOT CATCH the 8:30 train.

4.  Our niece Adriana (believe) whatever you tell her.

Our niece Adriana WILL BELIEVE whatever you tell her.

5.  Perhaps your sister (arrive) in time for dinner.

Perhaps your sister WILL ARRIVE in time for dinner.