English verb conjugation
CAN COWL

Regular verb: cowl - cowled - cowled

Affirmation

Simple form	V-ing form
I can cowl you can cowl he can cowl we can cowl you can cowl they can cowl	I can be cowling you can be cowling he can be cowling we can be cowling you can be cowling they can be cowling
Perfect	V-ing perfect
I can have cowled you can have cowled he can have cowled we can have cowled you can have cowled they can have cowled	I can have been cowling you can have been cowling he can have been cowling we can have been cowling you can have been cowling they can have been cowling

Negation

Simple form	V-ing form
I can't cowl you can't cowl he can't cowl we can't cowl you can't cowl they can't cowl	I can't be cowling you can't be cowling he can't be cowling we can't be cowling you can't be cowling they can't be cowling
Perfect	V-ing perfect
I can't have cowled you can't have cowled he can't have cowled we can't have cowled you can't have cowled they can't have cowled	I can't have been cowling you can't have been cowling he can't have been cowling we can't have been cowling you can't have been cowling they can't have been cowling

Interrogative form

Simple form	V-ing form
can I cowl? can you cowl? can he cowl? can we cowl? can you cowl? can they cowl?	can I be cowling? can you be cowling? can he be cowling? can we be cowling? can you be cowling? can they be cowling?
Perfect	V-ing perfect
can I have cowled? can you have cowled? can he have cowled? can we have cowled? can you have cowled? can they have cowled?	can I have been cowling? can you have been cowling? can he have been cowling? can we have been cowling? can you have been cowling? can they have been cowling?

Interro-negative form

Simple form	V-ing form
can't I cowl? can't you cowl? can't he cowl? can't we cowl? can't you cowl? can't they cowl?	can't I be cowling? can't you be cowling? can't he be cowling? can't we be cowling? can't you be cowling? can't they be cowling?
Perfect	V-ing perfect
can't I have cowled? can't you have cowled? can't he have cowled? can't we have cowled? can't you have cowled? can't they have cowled?	can't I have been cowling? can't you have been cowling? can't he have been cowling? can't we have been cowling? can't you have been cowling? can't they have been cowling?