could prognosticate
Verbo regular: prognosticate - prognosticated- prognosticated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could prognosticate
you could prognosticate
she could prognosticate
we could prognosticate
you could prognosticate
they could prognosticate 	I could be prognosticating
you could be prognosticating
she could be prognosticating
we could be prognosticating
you could be prognosticating
they could be prognosticating	I could have prognosticated
you could have prognosticated
she could have prognosticated
we could have prognosticated
you could have prognosticated
they could have prognosticated	I could have been prognosticating
you could have been prognosticating
she could have been prognosticating
we could have been prognosticating
you could have been prognosticating
they could have been prognosticating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not prognosticate
you could not prognosticate
she could not prognosticate
we could not prognosticate
you could not prognosticate
they could not prognosticate 	I could not be prognosticating
you could not be prognosticating
she could not be prognosticating
we could not be prognosticating
you could not be prognosticating
they could not be prognosticating	I could not have prognosticated
you could not have prognosticated
she could not have prognosticated
we could not have prognosticated
you could not have prognosticated
they could not have prognosticated	I could not have been prognosticating
you could not have been prognosticating
she could not have been prognosticating
we could not have been prognosticating
you could not have been prognosticating
they could not have been prognosticating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I prognosticate?
could you prognosticate?
could she prognosticate?
could we prognosticate?
could you prognosticate?
could they prognosticate? 	could I be prognosticating?
could you be prognosticating?
could she be prognosticating?
could we be prognosticating?
could you be prognosticating?
could they be prognosticating? 	could I have prognosticated?
could you have prognosticated?
could she have prognosticated?
could we have prognosticated?
could you have prognosticated?
could they have prognosticated? 	could I have been prognosticating?
could you have been prognosticating?
could she have been prognosticating?
could we have been prognosticating?
could you have been prognosticating?
could they have been prognosticating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not prognosticate?
could you not prognosticate?
could she not prognosticate?
could we not prognosticate?
could you not prognosticate?
could they not prognosticate? 	could I not be prognosticating?
could you not be prognosticating?
could she not be prognosticating?
could we not be prognosticating?
could you not be prognosticating?
could they not be prognosticating? 	could I not have prognosticated?
could you not have prognosticated?
could she not have prognosticated?
could we not have prognosticated?
could you not have prognosticated?
could they not have prognosticated? 	could I not have been prognosticating?
could you not have been prognosticating?
could she not have been prognosticating?
could we not have been prognosticating?
could you not have been prognosticating?
could they not have been prognosticating?