English verb conjugation
CAN BARRACK

Regular verb: barrack - barracked - barracked

Affirmation

Simple form	V-ing form
I can barrack you can barrack he can barrack we can barrack you can barrack they can barrack	I can be barracking you can be barracking he can be barracking we can be barracking you can be barracking they can be barracking
Perfect	V-ing perfect
I can have barracked you can have barracked he can have barracked we can have barracked you can have barracked they can have barracked	I can have been barracking you can have been barracking he can have been barracking we can have been barracking you can have been barracking they can have been barracking

Negation

Simple form	V-ing form
I cannot barrack you cannot barrack he cannot barrack we cannot barrack you cannot barrack they cannot barrack	I cannot be barracking you cannot be barracking he cannot be barracking we cannot be barracking you cannot be barracking they cannot be barracking
Perfect	V-ing perfect
I cannot have barracked you cannot have barracked he cannot have barracked we cannot have barracked you cannot have barracked they cannot have barracked	I cannot have been barracking you cannot have been barracking he cannot have been barracking we cannot have been barracking you cannot have been barracking they cannot have been barracking

Interrogative form

Simple form	V-ing form
can I barrack? can you barrack? can he barrack? can we barrack? can you barrack? can they barrack?	can I be barracking? can you be barracking? can he be barracking? can we be barracking? can you be barracking? can they be barracking?
Perfect	V-ing perfect
can I have barracked? can you have barracked? can he have barracked? can we have barracked? can you have barracked? can they have barracked?	can I have been barracking? can you have been barracking? can he have been barracking? can we have been barracking? can you have been barracking? can they have been barracking?

Interro-negative form

Simple form	V-ing form
can I not barrack? can you not barrack? can he not barrack? can we not barrack? can you not barrack? can they not barrack?	can I not be barracking? can you not be barracking? can he not be barracking? can we not be barracking? can you not be barracking? can they not be barracking?
Perfect	V-ing perfect
can I not have barracked? can you not have barracked? can he not have barracked? can we not have barracked? can you not have barracked? can they not have barracked?	can I not have been barracking? can you not have been barracking? can he not have been barracking? can we not have been barracking? can you not have been barracking? can they not have been barracking?