English verb conjugation CAN REGISTER

Regular verb: register - registered - registered

Affirmation

Simple form

I can register
you can register
he can register
we can register
you can register
they can register

V-ing form

I can be registering
you can be registering
he can be registering
we can be registering
you can be registering
they can be registering

Perfect

I can have registered
you can have registered
he can have registered
we can have registered
you can have registered
they can have registered

V-ing perfect

I can have been registering
you can have been registering
he can have been registering
we can have been registering
you can have been registering
they can have been registering

Negation

Simple form

I cannot register
you cannot register
he cannot register
we cannot register
you cannot register
they cannot register

V-ing form

I cannot be registering
you cannot be registering
he cannot be registering
we cannot be registering
you cannot be registering
they cannot be registering

Perfect

I cannot have registered
you cannot have registered
he cannot have registered
we cannot have registered
you cannot have registered
they cannot have registered

V-ing perfect

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

Interrogative form

Simple form

can I register?
can you register?
can he register?
can we register?
can you register?
can they register?

V-ing form

can I be registering?
can you be registering?
can he be registering?
can we be registering?
can you be registering?
can they be registering?

Perfect

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

V-ing perfect

can I have been registering?
can you have been registering?
can he have been registering?
can we have been registering?
can you have been registering?
can they have been registering?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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