could enforce
Regular verb: enforce - enforced- enforced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could enforce
you could enforce
he could enforce
we could enforce
you could enforce
they could enforce 	I could be enforcing
you could be enforcing
he could be enforcing
we could be enforcing
you could be enforcing
they could be enforcing	I could have enforced
you could have enforced
he could have enforced
we could have enforced
you could have enforced
they could have enforced	I could have been enforcing
you could have been enforcing
he could have been enforcing
we could have been enforcing
you could have been enforcing
they could have been enforcing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not enforce
you could not enforce
he could not enforce
we could not enforce
you could not enforce
they could not enforce 	I could not be enforcing
you could not be enforcing
he could not be enforcing
we could not be enforcing
you could not be enforcing
they could not be enforcing	I could not have enforced
you could not have enforced
he could not have enforced
we could not have enforced
you could not have enforced
they could not have enforced	I could not have been enforcing
you could not have been enforcing
he could not have been enforcing
we could not have been enforcing
you could not have been enforcing
they could not have been enforcing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I enforce?
could you enforce?
could he enforce?
could we enforce?
could you enforce?
could they enforce? 	could I be enforcing?
could you be enforcing?
could he be enforcing?
could we be enforcing?
could you be enforcing?
could they be enforcing? 	could I have enforced?
could you have enforced?
could he have enforced?
could we have enforced?
could you have enforced?
could they have enforced? 	could I have been enforcing?
could you have been enforcing?
could he have been enforcing?
could we have been enforcing?
could you have been enforcing?
could they have been enforcing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not enforce?
could you not enforce?
could he not enforce?
could we not enforce?
could you not enforce?
could they not enforce? 	could I not be enforcing?
could you not be enforcing?
could he not be enforcing?
could we not be enforcing?
could you not be enforcing?
could they not be enforcing? 	could I not have enforced?
could you not have enforced?
could he not have enforced?
could we not have enforced?
could you not have enforced?
could they not have enforced? 	could I not have been enforcing?
could you not have been enforcing?
could he not have been enforcing?
could we not have been enforcing?
could you not have been enforcing?
could they not have been enforcing?