The Conjugator
English verb conjugation
CAN SIGN

Regular verb: sign - signed - signed

Affirmation

Simple form

V-ing form

I can sign
you can sign
he can sign
we can sign
you can sign
they can sign
I can be signing
you can be signing
he can be signing
we can be signing
you can be signing
they can be signing

Perfect

V-ing perfect

I can have signed
you can have signed
he can have signed
we can have signed
you can have signed
they can have signed
I can have been signing
you can have been signing
he can have been signing
we can have been signing
you can have been signing
they can have been signing

Negation

Simple form

V-ing form

I can't sign
you can't sign
he can't sign
we can't sign
you can't sign
they can't sign
I can't be signing
you can't be signing
he can't be signing
we can't be signing
you can't be signing
they can't be signing

Perfect

V-ing perfect

I can't have signed
you can't have signed
he can't have signed
we can't have signed
you can't have signed
they can't have signed
I can't have been signing
you can't have been signing
he can't have been signing
we can't have been signing
you can't have been signing
they can't have been signing

Interrogative form

Simple form

V-ing form

can I sign?
can you sign?
can he sign?
can we sign?
can you sign?
can they sign?
can I be signing?
can you be signing?
can he be signing?
can we be signing?
can you be signing?
can they be signing?

Perfect

V-ing perfect

can I have signed?
can you have signed?
can he have signed?
can we have signed?
can you have signed?
can they have signed?
can I have been signing?
can you have been signing?
can he have been signing?
can we have been signing?
can you have been signing?
can they have been signing?

Interro-negative form

Simple form

V-ing form

can't I sign?
can't you sign?
can't he sign?
can't we sign?
can't you sign?
can't they sign?
can't I be signing?
can't you be signing?
can't he be signing?
can't we be signing?
can't you be signing?
can't they be signing?

Perfect

V-ing perfect

can't I have signed?
can't you have signed?
can't he have signed?
can't we have signed?
can't you have signed?
can't they have signed?
can't I have been signing?
can't you have been signing?
can't he have been signing?
can't we have been signing?
can't you have been signing?
can't they have been signing?