Conjugation of verb "To do"
Present Simple Continuous
Present Perfect Continuous
Negative
He/She/It hasn't been doing.
Interrogative
Has he/she/it been doing?
Negative
He/She/It hadn't been doing.
Interrogative
Had he/she/it been doing?
Negative
He/She/It won't have done.
Interrogative
Will he/she/it have done?
Negative
He/She/It wouldn't have done.
Interrogative
Would he/she/it have done?