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 can't barrack you can't barrack he can't barrack we can't barrack you can't barrack they can't barrack	I can't be barracking you can't be barracking he can't be barracking we can't be barracking you can't be barracking they can't be barracking
Perfect	V-ing perfect
I can't have barracked you can't have barracked he can't have barracked we can't have barracked you can't have barracked they can't have barracked	I can't have been barracking you can't have been barracking he can't have been barracking we can't have been barracking you can't have been barracking they can't 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't I barrack? can't you barrack? can't he barrack? can't we barrack? can't you barrack? can't they barrack?	can't I be barracking? can't you be barracking? can't he be barracking? can't we be barracking? can't you be barracking? can't they be barracking?
Perfect	V-ing perfect
can't I have barracked? can't you have barracked? can't he have barracked? can't we have barracked? can't you have barracked? can't they have barracked?	can't I have been barracking? can't you have been barracking? can't he have been barracking? can't we have been barracking? can't you have been barracking? can't they have been barracking?