Using 'going to' instead of 'will'
I will go
Subject
Will he study?
Will they play?
Future plans
They will not play
Will she eat?
She will not eat
He will not study
Spontaneous decisions
Omitting 'will'
She will eat
Making predictions
Base form of the verb
Will I go?
Will
Confusing tenses
Object
He will study
Incorrect subject-verb agreement
They will play
I will not go
Promises