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 can't blister you can't blister he can't blister we can't blister you can't blister they can't blister	I can't be blistering you can't be blistering he can't be blistering we can't be blistering you can't be blistering they can't be blistering
Perfect	V-ing perfect
I can't have blistered you can't have blistered he can't have blistered we can't have blistered you can't have blistered they can't have blistered	I can't have been blistering you can't have been blistering he can't have been blistering we can't have been blistering you can't have been blistering they can't 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't I blister? can't you blister? can't he blister? can't we blister? can't you blister? can't they blister?	can't I be blistering? can't you be blistering? can't he be blistering? can't we be blistering? can't you be blistering? can't they be blistering?
Perfect	V-ing perfect
can't I have blistered? can't you have blistered? can't he have blistered? can't we have blistered? can't you have blistered? can't they have blistered?	can't I have been blistering? can't you have been blistering? can't he have been blistering? can't we have been blistering? can't you have been blistering? can't they have been blistering?