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
he could ambulate
we could ambulate
you could ambulate
they could ambulate 	I could be ambulating
you could be ambulating
he could be ambulating
we could be ambulating
you could be ambulating
they could be ambulating	I could have ambulated
you could have ambulated
he 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
he 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 couldn't ambulate
you couldn't ambulate
he couldn't ambulate
we couldn't ambulate
you couldn't ambulate
they couldn't ambulate 	I couldn't be ambulating
you couldn't be ambulating
he couldn't be ambulating
we couldn't be ambulating
you couldn't be ambulating
they couldn't be ambulating	I couldn't have ambulated
you couldn't have ambulated
he couldn't have ambulated
we couldn't have ambulated
you couldn't have ambulated
they couldn't have ambulated	I couldn't have been ambulating
you couldn't have been ambulating
he couldn't have been ambulating
we couldn't have been ambulating
you couldn't have been ambulating
they couldn't have been ambulating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I ambulate?
could you ambulate?
could he ambulate?
could we ambulate?
could you ambulate?
could they ambulate? 	could I be ambulating?
could you be ambulating?
could he be ambulating?
could we be ambulating?
could you be ambulating?
could they be ambulating? 	could I have ambulated?
could you have ambulated?
could he 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 he 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 	
couldn't I ambulate?
couldn't you ambulate?
couldn't he ambulate?
couldn't we ambulate?
couldn't you ambulate?
couldn't they ambulate? 	couldn't I be ambulating?
couldn't you be ambulating?
couldn't he be ambulating?
couldn't we be ambulating?
couldn't you be ambulating?
couldn't they be ambulating? 	couldn't I have ambulated?
couldn't you have ambulated?
couldn't he have ambulated?
couldn't we have ambulated?
couldn't you have ambulated?
couldn't they have ambulated? 	couldn't I have been ambulating?
couldn't you have been ambulating?
couldn't he have been ambulating?
couldn't we have been ambulating?
couldn't you have been ambulating?
couldn't they have been ambulating?