English verb conjugation
CAN WRACK

Regular verb: wrack - wracked - wracked

Affirmation

Simple form	V-ing form
I can wrack you can wrack he can wrack we can wrack you can wrack they can wrack	I can be wracking you can be wracking he can be wracking we can be wracking you can be wracking they can be wracking
Perfect	V-ing perfect
I can have wracked you can have wracked he can have wracked we can have wracked you can have wracked they can have wracked	I can have been wracking you can have been wracking he can have been wracking we can have been wracking you can have been wracking they can have been wracking

Negation

Simple form	V-ing form
I can't wrack you can't wrack he can't wrack we can't wrack you can't wrack they can't wrack	I can't be wracking you can't be wracking he can't be wracking we can't be wracking you can't be wracking they can't be wracking
Perfect	V-ing perfect
I can't have wracked you can't have wracked he can't have wracked we can't have wracked you can't have wracked they can't have wracked	I can't have been wracking you can't have been wracking he can't have been wracking we can't have been wracking you can't have been wracking they can't have been wracking

Interrogative form

Simple form	V-ing form
can I wrack? can you wrack? can he wrack? can we wrack? can you wrack? can they wrack?	can I be wracking? can you be wracking? can he be wracking? can we be wracking? can you be wracking? can they be wracking?
Perfect	V-ing perfect
can I have wracked? can you have wracked? can he have wracked? can we have wracked? can you have wracked? can they have wracked?	can I have been wracking? can you have been wracking? can he have been wracking? can we have been wracking? can you have been wracking? can they have been wracking?

Interro-negative form

Simple form	V-ing form
can't I wrack? can't you wrack? can't he wrack? can't we wrack? can't you wrack? can't they wrack?	can't I be wracking? can't you be wracking? can't he be wracking? can't we be wracking? can't you be wracking? can't they be wracking?
Perfect	V-ing perfect
can't I have wracked? can't you have wracked? can't he have wracked? can't we have wracked? can't you have wracked? can't they have wracked?	can't I have been wracking? can't you have been wracking? can't he have been wracking? can't we have been wracking? can't you have been wracking? can't they have been wracking?