can extoll
Regular verb: extoll - extolled- extolled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
I can't extoll
you can't extoll
he can't extoll
we can't extoll
you can't extoll
they can't extoll 	I can't be extolling
you can't be extolling
he can't be extolling
we can't be extolling
you can't be extolling
they can't be extolling	I can't have extolled
you can't have extolled
he can't have extolled
we can't have extolled
you can't have extolled
they can't have extolled	I can't have been extolling
you can't have been extolling
he can't have been extolling
we can't have been extolling
you can't have been extolling
they can't have been extolling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
can't I extoll?
can't you extoll?
can't he extoll?
can't we extoll?
can't you extoll?
can't they extoll? 	can't I be extolling?
can't you be extolling?
can't he be extolling?
can't we be extolling?
can't you be extolling?
can't they be extolling? 	can't I have extolled?
can't you have extolled?
can't he have extolled?
can't we have extolled?
can't you have extolled?
can't they have extolled? 	can't I have been extolling?
can't you have been extolling?
can't he have been extolling?
can't we have been extolling?
can't you have been extolling?
can't they have been extolling?