English verb conjugation CAN FIRE

Regular verb: fire - fired - fired

Affirmation

Simple form

I can fire
you can fire
he can fire
we can fire
you can fire
they can fire

V-ing form

I can be firing
you can be firing
he can be firing
we can be firing
you can be firing
they can be firing

Perfect

I can have fired
you can have fired
he can have fired
we can have fired
you can have fired
they can have fired

V-ing perfect

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

Negation

Simple form

I cannot fire
you cannot fire
he cannot fire
we cannot fire
you cannot fire
they cannot fire

V-ing form

I cannot be firing
you cannot be firing
he cannot be firing
we cannot be firing
you cannot be firing
they cannot be firing

Perfect

I cannot have fired
you cannot have fired
he cannot have fired
we cannot have fired
you cannot have fired
they cannot have fired

V-ing perfect

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

Interrogative form

Simple form

can I fire?
can you fire?
can he fire?
can we fire?
can you fire?
can they fire?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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