English verb conjugation
CAN COUNTERATTACK

Regular verb: counterattack - counterattacked - counterattacked

Affirmation

Simple form	V-ing form
I can counterattack you can counterattack he can counterattack we can counterattack you can counterattack they can counterattack	I can be counterattacking you can be counterattacking he can be counterattacking we can be counterattacking you can be counterattacking they can be counterattacking
Perfect	V-ing perfect
I can have counterattacked you can have counterattacked he can have counterattacked we can have counterattacked you can have counterattacked they can have counterattacked	I can have been counterattacking you can have been counterattacking he can have been counterattacking we can have been counterattacking you can have been counterattacking they can have been counterattacking

Negation

Simple form	V-ing form
I can't counterattack you can't counterattack he can't counterattack we can't counterattack you can't counterattack they can't counterattack	I can't be counterattacking you can't be counterattacking he can't be counterattacking we can't be counterattacking you can't be counterattacking they can't be counterattacking
Perfect	V-ing perfect
I can't have counterattacked you can't have counterattacked he can't have counterattacked we can't have counterattacked you can't have counterattacked they can't have counterattacked	I can't have been counterattacking you can't have been counterattacking he can't have been counterattacking we can't have been counterattacking you can't have been counterattacking they can't have been counterattacking

Interrogative form

Simple form	V-ing form
can I counterattack? can you counterattack? can he counterattack? can we counterattack? can you counterattack? can they counterattack?	can I be counterattacking? can you be counterattacking? can he be counterattacking? can we be counterattacking? can you be counterattacking? can they be counterattacking?
Perfect	V-ing perfect
can I have counterattacked? can you have counterattacked? can he have counterattacked? can we have counterattacked? can you have counterattacked? can they have counterattacked?	can I have been counterattacking? can you have been counterattacking? can he have been counterattacking? can we have been counterattacking? can you have been counterattacking? can they have been counterattacking?

Interro-negative form

Simple form	V-ing form
can't I counterattack? can't you counterattack? can't he counterattack? can't we counterattack? can't you counterattack? can't they counterattack?	can't I be counterattacking? can't you be counterattacking? can't he be counterattacking? can't we be counterattacking? can't you be counterattacking? can't they be counterattacking?
Perfect	V-ing perfect
can't I have counterattacked? can't you have counterattacked? can't he have counterattacked? can't we have counterattacked? can't you have counterattacked? can't they have counterattacked?	can't I have been counterattacking? can't you have been counterattacking? can't he have been counterattacking? can't we have been counterattacking? can't you have been counterattacking? can't they have been counterattacking?