could enforce
Verbo regular: enforce - enforced- enforced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't enforce
you couldn't enforce
he couldn't enforce
we couldn't enforce
you couldn't enforce
they couldn't enforce 	I couldn't be enforcing
you couldn't be enforcing
he couldn't be enforcing
we couldn't be enforcing
you couldn't be enforcing
they couldn't be enforcing	I couldn't have enforced
you couldn't have enforced
he couldn't have enforced
we couldn't have enforced
you couldn't have enforced
they couldn't have enforced	I couldn't have been enforcing
you couldn't have been enforcing
he couldn't have been enforcing
we couldn't have been enforcing
you couldn't have been enforcing
they couldn't have been enforcing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I enforce?
couldn't you enforce?
couldn't he enforce?
couldn't we enforce?
couldn't you enforce?
couldn't they enforce? 	couldn't I be enforcing?
couldn't you be enforcing?
couldn't he be enforcing?
couldn't we be enforcing?
couldn't you be enforcing?
couldn't they be enforcing? 	couldn't I have enforced?
couldn't you have enforced?
couldn't he have enforced?
couldn't we have enforced?
couldn't you have enforced?
couldn't they have enforced? 	couldn't I have been enforcing?
couldn't you have been enforcing?
couldn't he have been enforcing?
couldn't we have been enforcing?
couldn't you have been enforcing?
couldn't they have been enforcing?