English verb conjugation
CAN EXTOL

Regular verb: extol - extolled - extolled

Affirmation

Simple form	V-ing form
I can extol you can extol she can extol we can extol you can extol they can extol	I can be extolling you can be extolling she can be extolling we can be extolling you can be extolling they can be extolling
Perfect	V-ing perfect
I can have extolled you can have extolled she can have extolled we can have extolled you can have extolled they can have extolled	I can have been extolling you can have been extolling she can have been extolling we can have been extolling you can have been extolling they can have been extolling

Negation

Simple form	V-ing form
I cannot extol you cannot extol she cannot extol we cannot extol you cannot extol they cannot extol	I cannot be extolling you cannot be extolling she cannot be extolling we cannot be extolling you cannot be extolling they cannot be extolling
Perfect	V-ing perfect
I cannot have extolled you cannot have extolled she cannot have extolled we cannot have extolled you cannot have extolled they cannot have extolled	I cannot have been extolling you cannot have been extolling she cannot have been extolling we cannot have been extolling you cannot have been extolling they cannot have been extolling

Interrogative form

Simple form	V-ing form
can I extol? can you extol? can she extol? can we extol? can you extol? can they extol?	can I be extolling? can you be extolling? can she be extolling? can we be extolling? can you be extolling? can they be extolling?
Perfect	V-ing perfect
can I have extolled? can you have extolled? can she have extolled? can we have extolled? can you have extolled? can they have extolled?	can I have been extolling? can you have been extolling? can she have been extolling? can we have been extolling? can you have been extolling? can they have been extolling?

Interro-negative form

Simple form	V-ing form
can I not extol? can you not extol? can she not extol? can we not extol? can you not extol? can they not extol?	can I not be extolling? can you not be extolling? can she not be extolling? can we not be extolling? can you not be extolling? can they not be extolling?
Perfect	V-ing perfect
can I not have extolled? can you not have extolled? can she not have extolled? can we not have extolled? can you not have extolled? can they not have extolled?	can I not have been extolling? can you not have been extolling? can she not have been extolling? can we not have been extolling? can you not have been extolling? can they not have been extolling?