English verb conjugation CAN FIGHT

Irregular verb: fight - fought - fought

Affirmation

Simple form

I can fight
you can fight
he can fight
we can fight
you can fight
they can fight

V-ing form

I can be fighting
you can be fighting
he can be fighting
we can be fighting
you can be fighting
they can be fighting

Perfect

I can have fought
you can have fought
he can have fought
we can have fought
you can have fought
they can have fought

V-ing perfect

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

Negation

Simple form

I can't fight
you can't fight
he can't fight
we can't fight
you can't fight
they can't fight

V-ing form

I can't be fighting
you can't be fighting
he can't be fighting
we can't be fighting
you can't be fighting
they can't be fighting

Perfect

I can't have fought
you can't have fought
he can't have fought
we can't have fought
you can't have fought
they can't have fought

V-ing perfect

I can't have been fighting
you can't have been fighting
he can't have been fighting
we can't have been fighting
you can't have been fighting
they can't have been fighting

Interrogative form

Simple form

can I fight?
can you fight?
can he fight?
can we fight?
can you fight?
can they fight?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can't I fight?
can't you fight?
can't he fight?
can't we fight?
can't you fight?
can't they fight?

V-ing form

can't I be fighting?
can't you be fighting?
can't he be fighting?
can't we be fighting?
can't you be fighting?
can't they be fighting?

Perfect

can't I have fought?
can't you have fought?
can't he have fought?
can't we have fought?
can't you have fought?
can't they have fought?

V-ing perfect

can't I have been fighting?
can't you have been fighting?
can't he have been fighting?
can't we have been fighting?
can't you have been fighting?
can't they have been fighting?

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