English verb conjugation
CAN BLISTER

Regular verb: blister - blistered - blistered

Affirmation

Simple form	V-ing form
I can blister you can blister he can blister we can blister you can blister they can blister	I can be blistering you can be blistering he can be blistering we can be blistering you can be blistering they can be blistering
Perfect	V-ing perfect
I can have blistered you can have blistered he can have blistered we can have blistered you can have blistered they can have blistered	I can have been blistering you can have been blistering he can have been blistering we can have been blistering you can have been blistering they can have been blistering

Negation

Simple form	V-ing form
I cannot blister you cannot blister he cannot blister we cannot blister you cannot blister they cannot blister	I cannot be blistering you cannot be blistering he cannot be blistering we cannot be blistering you cannot be blistering they cannot be blistering
Perfect	V-ing perfect
I cannot have blistered you cannot have blistered he cannot have blistered we cannot have blistered you cannot have blistered they cannot have blistered	I cannot have been blistering you cannot have been blistering he cannot have been blistering we cannot have been blistering you cannot have been blistering they cannot have been blistering

Interrogative form

Simple form	V-ing form
can I blister? can you blister? can he blister? can we blister? can you blister? can they blister?	can I be blistering? can you be blistering? can he be blistering? can we be blistering? can you be blistering? can they be blistering?
Perfect	V-ing perfect
can I have blistered? can you have blistered? can he have blistered? can we have blistered? can you have blistered? can they have blistered?	can I have been blistering? can you have been blistering? can he have been blistering? can we have been blistering? can you have been blistering? can they have been blistering?

Interro-negative form

Simple form	V-ing form
can I not blister? can you not blister? can he not blister? can we not blister? can you not blister? can they not blister?	can I not be blistering? can you not be blistering? can he not be blistering? can we not be blistering? can you not be blistering? can they not be blistering?
Perfect	V-ing perfect
can I not have blistered? can you not have blistered? can he not have blistered? can we not have blistered? can you not have blistered? can they not have blistered?	can I not have been blistering? can you not have been blistering? can he not have been blistering? can we not have been blistering? can you not have been blistering? can they not have been blistering?