can wrack
Regular verb: wrack - wracked- wracked

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