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