English verb conjugation
CAN ATTACK ATTACK

Regular verb: attack attack - attack attacked - attack attacked

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I can attack attack you can attack attack he can attack attack we can attack attack you can attack attack they can attack attack	I can be attack attacking you can be attack attacking he can be attack attacking we can be attack attacking you can be attack attacking they can be attack attacking
Perfect	V-ing perfect
I can have attack attacked you can have attack attacked he can have attack attacked we can have attack attacked you can have attack attacked they can have attack attacked	I can have been attack attacking you can have been attack attacking he can have been attack attacking we can have been attack attacking you can have been attack attacking they can have been attack attacking

Negation

Simple form	V-ing form
I cannot attack attack you cannot attack attack he cannot attack attack we cannot attack attack you cannot attack attack they cannot attack attack	I cannot be attack attacking you cannot be attack attacking he cannot be attack attacking we cannot be attack attacking you cannot be attack attacking they cannot be attack attacking
Perfect	V-ing perfect
I cannot have attack attacked you cannot have attack attacked he cannot have attack attacked we cannot have attack attacked you cannot have attack attacked they cannot have attack attacked	I cannot have been attack attacking you cannot have been attack attacking he cannot have been attack attacking we cannot have been attack attacking you cannot have been attack attacking they cannot have been attack attacking

Interrogative form

Simple form	V-ing form
can I attack attack? can you attack attack? can he attack attack? can we attack attack? can you attack attack? can they attack attack?	can I be attack attacking? can you be attack attacking? can he be attack attacking? can we be attack attacking? can you be attack attacking? can they be attack attacking?
Perfect	V-ing perfect
can I have attack attacked? can you have attack attacked? can he have attack attacked? can we have attack attacked? can you have attack attacked? can they have attack attacked?	can I have been attack attacking? can you have been attack attacking? can he have been attack attacking? can we have been attack attacking? can you have been attack attacking? can they have been attack attacking?

Interro-negative form

Simple form	V-ing form
can I not attack attack? can you not attack attack? can he not attack attack? can we not attack attack? can you not attack attack? can they not attack attack?	can I not be attack attacking? can you not be attack attacking? can he not be attack attacking? can we not be attack attacking? can you not be attack attacking? can they not be attack attacking?
Perfect	V-ing perfect
can I not have attack attacked? can you not have attack attacked? can he not have attack attacked? can we not have attack attacked? can you not have attack attacked? can they not have attack attacked?	can I not have been attack attacking? can you not have been attack attacking? can he not have been attack attacking? can we not have been attack attacking? can you not have been attack attacking? can they not have been attack attacking?