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