could crimp
Regular verb: crimp - crimped- crimped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could crimp
you could crimp
she could crimp
we could crimp
you could crimp
they could crimp 	I could be crimping
you could be crimping
she could be crimping
we could be crimping
you could be crimping
they could be crimping	I could have crimped
you could have crimped
she could have crimped
we could have crimped
you could have crimped
they could have crimped	I could have been crimping
you could have been crimping
she could have been crimping
we could have been crimping
you could have been crimping
they could have been crimping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't crimp
you couldn't crimp
she couldn't crimp
we couldn't crimp
you couldn't crimp
they couldn't crimp 	I couldn't be crimping
you couldn't be crimping
she couldn't be crimping
we couldn't be crimping
you couldn't be crimping
they couldn't be crimping	I couldn't have crimped
you couldn't have crimped
she couldn't have crimped
we couldn't have crimped
you couldn't have crimped
they couldn't have crimped	I couldn't have been crimping
you couldn't have been crimping
she couldn't have been crimping
we couldn't have been crimping
you couldn't have been crimping
they couldn't have been crimping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I crimp?
could you crimp?
could she crimp?
could we crimp?
could you crimp?
could they crimp? 	could I be crimping?
could you be crimping?
could she be crimping?
could we be crimping?
could you be crimping?
could they be crimping? 	could I have crimped?
could you have crimped?
could she have crimped?
could we have crimped?
could you have crimped?
could they have crimped? 	could I have been crimping?
could you have been crimping?
could she have been crimping?
could we have been crimping?
could you have been crimping?
could they have been crimping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I crimp?
couldn't you crimp?
couldn't she crimp?
couldn't we crimp?
couldn't you crimp?
couldn't they crimp? 	couldn't I be crimping?
couldn't you be crimping?
couldn't she be crimping?
couldn't we be crimping?
couldn't you be crimping?
couldn't they be crimping? 	couldn't I have crimped?
couldn't you have crimped?
couldn't she have crimped?
couldn't we have crimped?
couldn't you have crimped?
couldn't they have crimped? 	couldn't I have been crimping?
couldn't you have been crimping?
couldn't she have been crimping?
couldn't we have been crimping?
couldn't you have been crimping?
couldn't they have been crimping?