Category one
Clive _________ (stop) smoking.
is going to stop
_____ you ______ (watch) the match with dad tonight?
Are you watching
He ______ (study) law at Cambridge university (intended plans).
is going to study
When _____ you ______ (visit) us?
are you going to visit
I ______ (take) this letter to the post office. (intention)
am going to take