Conjugation of verb "To keep"
Present Simple Continuous
Negative
He/She/It wasn't keeping.
Present Perfect Continuous
Affirmative
He/She/It's been keeping.
Negative
You haven't been keeping.
He/She/It hasn't been keeping.
You haven't been keeping.
They haven't been keeping.
Interrogative
Has he/she/it been keeping?
Affirmative
He/She/It'd been keeping.
Negative
He/She/It hadn't been keeping.
They hadn't been keeping.
Interrogative
Had he/she/it been keeping?
Negative
He/She/It won't have kept.
Interrogative
Will he/she/it have kept?
Negative
He/She/It wouldn't have kept.
Interrogative
Would he/she/it have kept?