could postulate
Verbo regular: postulate - postulated- postulated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could postulate
you could postulate
she could postulate
we could postulate
you could postulate
they could postulate 	I could be postulating
you could be postulating
she could be postulating
we could be postulating
you could be postulating
they could be postulating	I could have postulated
you could have postulated
she could have postulated
we could have postulated
you could have postulated
they could have postulated	I could have been postulating
you could have been postulating
she could have been postulating
we could have been postulating
you could have been postulating
they could have been postulating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not postulate
you could not postulate
she could not postulate
we could not postulate
you could not postulate
they could not postulate 	I could not be postulating
you could not be postulating
she could not be postulating
we could not be postulating
you could not be postulating
they could not be postulating	I could not have postulated
you could not have postulated
she could not have postulated
we could not have postulated
you could not have postulated
they could not have postulated	I could not have been postulating
you could not have been postulating
she could not have been postulating
we could not have been postulating
you could not have been postulating
they could not have been postulating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I postulate?
could you postulate?
could she postulate?
could we postulate?
could you postulate?
could they postulate? 	could I be postulating?
could you be postulating?
could she be postulating?
could we be postulating?
could you be postulating?
could they be postulating? 	could I have postulated?
could you have postulated?
could she have postulated?
could we have postulated?
could you have postulated?
could they have postulated? 	could I have been postulating?
could you have been postulating?
could she have been postulating?
could we have been postulating?
could you have been postulating?
could they have been postulating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not postulate?
could you not postulate?
could she not postulate?
could we not postulate?
could you not postulate?
could they not postulate? 	could I not be postulating?
could you not be postulating?
could she not be postulating?
could we not be postulating?
could you not be postulating?
could they not be postulating? 	could I not have postulated?
could you not have postulated?
could she not have postulated?
could we not have postulated?
could you not have postulated?
could they not have postulated? 	could I not have been postulating?
could you not have been postulating?
could she not have been postulating?
could we not have been postulating?
could you not have been postulating?
could they not have been postulating?