could regulate
Verbo regular: regulate - regulated- regulated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could regulate
you could regulate
she could regulate
we could regulate
you could regulate
they could regulate 	I could be regulating
you could be regulating
she could be regulating
we could be regulating
you could be regulating
they could be regulating	I could have regulated
you could have regulated
she could have regulated
we could have regulated
you could have regulated
they could have regulated	I could have been regulating
you could have been regulating
she could have been regulating
we could have been regulating
you could have been regulating
they could have been regulating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't regulate
you couldn't regulate
she couldn't regulate
we couldn't regulate
you couldn't regulate
they couldn't regulate 	I couldn't be regulating
you couldn't be regulating
she couldn't be regulating
we couldn't be regulating
you couldn't be regulating
they couldn't be regulating	I couldn't have regulated
you couldn't have regulated
she couldn't have regulated
we couldn't have regulated
you couldn't have regulated
they couldn't have regulated	I couldn't have been regulating
you couldn't have been regulating
she couldn't have been regulating
we couldn't have been regulating
you couldn't have been regulating
they couldn't have been regulating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I regulate?
could you regulate?
could she regulate?
could we regulate?
could you regulate?
could they regulate? 	could I be regulating?
could you be regulating?
could she be regulating?
could we be regulating?
could you be regulating?
could they be regulating? 	could I have regulated?
could you have regulated?
could she have regulated?
could we have regulated?
could you have regulated?
could they have regulated? 	could I have been regulating?
could you have been regulating?
could she have been regulating?
could we have been regulating?
could you have been regulating?
could they have been regulating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I regulate?
couldn't you regulate?
couldn't she regulate?
couldn't we regulate?
couldn't you regulate?
couldn't they regulate? 	couldn't I be regulating?
couldn't you be regulating?
couldn't she be regulating?
couldn't we be regulating?
couldn't you be regulating?
couldn't they be regulating? 	couldn't I have regulated?
couldn't you have regulated?
couldn't she have regulated?
couldn't we have regulated?
couldn't you have regulated?
couldn't they have regulated? 	couldn't I have been regulating?
couldn't you have been regulating?
couldn't she have been regulating?
couldn't we have been regulating?
couldn't you have been regulating?
couldn't they have been regulating?