English verb conjugation
CAN SEE

Irregular verb: see - saw - seen

Affirmation

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