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