could limp
Regular verb: limp - limped- limped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could limp
you could limp
she could limp
we could limp
you could limp
they could limp 	I could be limping
you could be limping
she could be limping
we could be limping
you could be limping
they could be limping	I could have limped
you could have limped
she could have limped
we could have limped
you could have limped
they could have limped	I could have been limping
you could have been limping
she could have been limping
we could have been limping
you could have been limping
they could have been limping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not limp
you could not limp
she could not limp
we could not limp
you could not limp
they could not limp 	I could not be limping
you could not be limping
she could not be limping
we could not be limping
you could not be limping
they could not be limping	I could not have limped
you could not have limped
she could not have limped
we could not have limped
you could not have limped
they could not have limped	I could not have been limping
you could not have been limping
she could not have been limping
we could not have been limping
you could not have been limping
they could not have been limping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I limp?
could you limp?
could she limp?
could we limp?
could you limp?
could they limp? 	could I be limping?
could you be limping?
could she be limping?
could we be limping?
could you be limping?
could they be limping? 	could I have limped?
could you have limped?
could she have limped?
could we have limped?
could you have limped?
could they have limped? 	could I have been limping?
could you have been limping?
could she have been limping?
could we have been limping?
could you have been limping?
could they have been limping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not limp?
could you not limp?
could she not limp?
could we not limp?
could you not limp?
could they not limp? 	could I not be limping?
could you not be limping?
could she not be limping?
could we not be limping?
could you not be limping?
could they not be limping? 	could I not have limped?
could you not have limped?
could she not have limped?
could we not have limped?
could you not have limped?
could they not have limped? 	could I not have been limping?
could you not have been limping?
could she not have been limping?
could we not have been limping?
could you not have been limping?
could they not have been limping?