English verb conjugation CAN SEE

Irregular verb: see - saw - seen

Affirmation

Simple form

I can see
you can see
he can see
we can see
you can see
they can see

V-ing form

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

I can have seen
you can have seen
he can have seen
we can have seen
you can have seen
they can have seen

V-ing perfect

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

I cannot see
you cannot see
he cannot see
we cannot see
you cannot see
they cannot see

V-ing form

I cannot be seeing
you cannot be seeing
he cannot be seeing
we cannot be seeing
you cannot be seeing
they cannot be seeing

Perfect

I cannot have seen
you cannot have seen
he cannot have seen
we cannot have seen
you cannot have seen
they cannot have seen

V-ing perfect

I cannot have been seeing
you cannot have been seeing
he cannot have been seeing
we cannot have been seeing
you cannot have been seeing
they cannot have been seeing

Interrogative form

Simple form

can I see?
can you see?
can he see?
can we see?
can you see?
can they see?

V-ing form

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

can I have seen?
can you have seen?
can he have seen?
can we have seen?
can you have seen?
can they have seen?

V-ing perfect

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

can I not see?
can you not see?
can he not see?
can we not see?
can you not see?
can they not see?

V-ing form

can I not be seeing?
can you not be seeing?
can he not be seeing?
can we not be seeing?
can you not be seeing?
can they not be seeing?

Perfect

can I not have seen?
can you not have seen?
can he not have seen?
can we not have seen?
can you not have seen?
can they not have seen?

V-ing perfect

can I not have been seeing?
can you not have been seeing?
can he not have been seeing?
can we not have been seeing?
can you not have been seeing?
can they not have been seeing?

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