English verb conjugation
CAN PEER

Regular verb: peer - peered - peered

Affirmation

Simple form	V-ing form
I can peer you can peer he can peer we can peer you can peer they can peer	I can be peering you can be peering he can be peering we can be peering you can be peering they can be peering
Perfect	V-ing perfect
I can have peered you can have peered he can have peered we can have peered you can have peered they can have peered	I can have been peering you can have been peering he can have been peering we can have been peering you can have been peering they can have been peering

Negation

Simple form	V-ing form
I cannot peer you cannot peer he cannot peer we cannot peer you cannot peer they cannot peer	I cannot be peering you cannot be peering he cannot be peering we cannot be peering you cannot be peering they cannot be peering
Perfect	V-ing perfect
I cannot have peered you cannot have peered he cannot have peered we cannot have peered you cannot have peered they cannot have peered	I cannot have been peering you cannot have been peering he cannot have been peering we cannot have been peering you cannot have been peering they cannot have been peering

Interrogative form

Simple form	V-ing form
can I peer? can you peer? can he peer? can we peer? can you peer? can they peer?	can I be peering? can you be peering? can he be peering? can we be peering? can you be peering? can they be peering?
Perfect	V-ing perfect
can I have peered? can you have peered? can he have peered? can we have peered? can you have peered? can they have peered?	can I have been peering? can you have been peering? can he have been peering? can we have been peering? can you have been peering? can they have been peering?

Interro-negative form

Simple form	V-ing form
can I not peer? can you not peer? can he not peer? can we not peer? can you not peer? can they not peer?	can I not be peering? can you not be peering? can he not be peering? can we not be peering? can you not be peering? can they not be peering?
Perfect	V-ing perfect
can I not have peered? can you not have peered? can he not have peered? can we not have peered? can you not have peered? can they not have peered?	can I not have been peering? can you not have been peering? can he not have been peering? can we not have been peering? can you not have been peering? can they not have been peering?