English verb conjugation CAN ATTACK

Regular verb: attack - attacked - attacked

Affirmation

Simple form

I can attack
you can attack
he can attack
we can attack
you can attack
they can attack

V-ing form

I can be attacking
you can be attacking
he can be attacking
we can be attacking
you can be attacking
they can be attacking

Perfect

I can have attacked
you can have attacked
he can have attacked
we can have attacked
you can have attacked
they can have attacked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I attack?
can you attack?
can he attack?
can we attack?
can you attack?
can they attack?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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