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