can see
Irregular verb: see - saw- seen

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can see
you can see
she can see
we can see
you can see
they can see 	I can be seeing
you can be seeing
she can be seeing
we can be seeing
you can be seeing
they can be seeing	I can have seen
you can have seen
she can have seen
we can have seen
you can have seen
they can have seen	I can have been seeing
you can have been seeing
she can have been seeing
we can have been seeing
you can have been seeing
they can have been seeing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't see
you can't see
she can't see
we can't see
you can't see
they can't see 	I can't be seeing
you can't be seeing
she can't be seeing
we can't be seeing
you can't be seeing
they can't be seeing	I can't have seen
you can't have seen
she can't have seen
we can't have seen
you can't have seen
they can't have seen	I can't have been seeing
you can't have been seeing
she can't have been seeing
we can't have been seeing
you can't have been seeing
they can't have been seeing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I see?
can you see?
can she see?
can we see?
can you see?
can they see? 	can I be seeing?
can you be seeing?
can she be seeing?
can we be seeing?
can you be seeing?
can they be seeing? 	can I have seen?
can you have seen?
can she have seen?
can we have seen?
can you have seen?
can they have seen? 	can I have been seeing?
can you have been seeing?
can she have been seeing?
can we have been seeing?
can you have been seeing?
can they have been seeing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I see?
can't you see?
can't she see?
can't we see?
can't you see?
can't they see? 	can't I be seeing?
can't you be seeing?
can't she be seeing?
can't we be seeing?
can't you be seeing?
can't they be seeing? 	can't I have seen?
can't you have seen?
can't she have seen?
can't we have seen?
can't you have seen?
can't they have seen? 	can't I have been seeing?
can't you have been seeing?
can't she have been seeing?
can't we have been seeing?
can't you have been seeing?
can't they have been seeing?