Conjugation of verb "To keep"
Present Simple Continuous
Negative
He/She/It is not keeping.
Negative
He/She/It was not keeping.
Present Perfect Continuous
Affirmative
He/She/It has been keeping.
Negative
You have not been keeping.
We have not been keeping.
He/She/It has not been keeping.
You have not been keeping.
They have not been keeping.
Interrogative
Has he/she/it been keeping?
Affirmative
He/She/It had been keeping.
Negative
You had not been keeping.
He/She/It had not been keeping.
You had not been keeping.
They had not been keeping.
Interrogative
Had he/she/it been keeping?
Affirmative
He/She/It will have kept.
Negative
He/She/It will not have kept.
Interrogative
Will he/she/it have kept?
Negative
He/She/It would not keep.
Affirmative
He/She/It would have kept.
Negative
He/She/It would not have kept.
They would not have kept.
Interrogative
Would he/she/it have kept?