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