could ambulate
Verbo regular: ambulate - ambulated- ambulated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could ambulate
you could ambulate
she could ambulate
we could ambulate
you could ambulate
they could ambulate 	I could be ambulating
you could be ambulating
she could be ambulating
we could be ambulating
you could be ambulating
they could be ambulating	I could have ambulated
you could have ambulated
she could have ambulated
we could have ambulated
you could have ambulated
they could have ambulated	I could have been ambulating
you could have been ambulating
she could have been ambulating
we could have been ambulating
you could have been ambulating
they could have been ambulating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not ambulate
you could not ambulate
she could not ambulate
we could not ambulate
you could not ambulate
they could not ambulate 	I could not be ambulating
you could not be ambulating
she could not be ambulating
we could not be ambulating
you could not be ambulating
they could not be ambulating	I could not have ambulated
you could not have ambulated
she could not have ambulated
we could not have ambulated
you could not have ambulated
they could not have ambulated	I could not have been ambulating
you could not have been ambulating
she could not have been ambulating
we could not have been ambulating
you could not have been ambulating
they could not have been ambulating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I ambulate?
could you ambulate?
could she ambulate?
could we ambulate?
could you ambulate?
could they ambulate? 	could I be ambulating?
could you be ambulating?
could she be ambulating?
could we be ambulating?
could you be ambulating?
could they be ambulating? 	could I have ambulated?
could you have ambulated?
could she have ambulated?
could we have ambulated?
could you have ambulated?
could they have ambulated? 	could I have been ambulating?
could you have been ambulating?
could she have been ambulating?
could we have been ambulating?
could you have been ambulating?
could they have been ambulating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not ambulate?
could you not ambulate?
could she not ambulate?
could we not ambulate?
could you not ambulate?
could they not ambulate? 	could I not be ambulating?
could you not be ambulating?
could she not be ambulating?
could we not be ambulating?
could you not be ambulating?
could they not be ambulating? 	could I not have ambulated?
could you not have ambulated?
could she not have ambulated?
could we not have ambulated?
could you not have ambulated?
could they not have ambulated? 	could I not have been ambulating?
could you not have been ambulating?
could she not have been ambulating?
could we not have been ambulating?
could you not have been ambulating?
could they not have been ambulating?