English verb conjugation
CAN EXTOLL

Regular verb: extoll - extolled - extolled

Affirmation

Simple form	V-ing form
I can extoll you can extoll he can extoll we can extoll you can extoll they can extoll	I can be extolling you can be extolling he 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 he 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 he 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 extoll you cannot extoll he cannot extoll we cannot extoll you cannot extoll they cannot extoll	I cannot be extolling you cannot be extolling he 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 he 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 he 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 extoll? can you extoll? can he extoll? can we extoll? can you extoll? can they extoll?	can I be extolling? can you be extolling? can he 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 he 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 he 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 extoll? can you not extoll? can he not extoll? can we not extoll? can you not extoll? can they not extoll?	can I not be extolling? can you not be extolling? can he 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 he 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 he not have been extolling? can we not have been extolling? can you not have been extolling? can they not have been extolling?