could rationalize
Verbo regular: rationalize - rationalized- rationalized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could rationalize
you could rationalize
he could rationalize
we could rationalize
you could rationalize
they could rationalize 	I could be rationalizing
you could be rationalizing
he could be rationalizing
we could be rationalizing
you could be rationalizing
they could be rationalizing	I could have rationalized
you could have rationalized
he could have rationalized
we could have rationalized
you could have rationalized
they could have rationalized	I could have been rationalizing
you could have been rationalizing
he could have been rationalizing
we could have been rationalizing
you could have been rationalizing
they could have been rationalizing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't rationalize
you couldn't rationalize
he couldn't rationalize
we couldn't rationalize
you couldn't rationalize
they couldn't rationalize 	I couldn't be rationalizing
you couldn't be rationalizing
he couldn't be rationalizing
we couldn't be rationalizing
you couldn't be rationalizing
they couldn't be rationalizing	I couldn't have rationalized
you couldn't have rationalized
he couldn't have rationalized
we couldn't have rationalized
you couldn't have rationalized
they couldn't have rationalized	I couldn't have been rationalizing
you couldn't have been rationalizing
he couldn't have been rationalizing
we couldn't have been rationalizing
you couldn't have been rationalizing
they couldn't have been rationalizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I rationalize?
could you rationalize?
could he rationalize?
could we rationalize?
could you rationalize?
could they rationalize? 	could I be rationalizing?
could you be rationalizing?
could he be rationalizing?
could we be rationalizing?
could you be rationalizing?
could they be rationalizing? 	could I have rationalized?
could you have rationalized?
could he have rationalized?
could we have rationalized?
could you have rationalized?
could they have rationalized? 	could I have been rationalizing?
could you have been rationalizing?
could he have been rationalizing?
could we have been rationalizing?
could you have been rationalizing?
could they have been rationalizing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I rationalize?
couldn't you rationalize?
couldn't he rationalize?
couldn't we rationalize?
couldn't you rationalize?
couldn't they rationalize? 	couldn't I be rationalizing?
couldn't you be rationalizing?
couldn't he be rationalizing?
couldn't we be rationalizing?
couldn't you be rationalizing?
couldn't they be rationalizing? 	couldn't I have rationalized?
couldn't you have rationalized?
couldn't he have rationalized?
couldn't we have rationalized?
couldn't you have rationalized?
couldn't they have rationalized? 	couldn't I have been rationalizing?
couldn't you have been rationalizing?
couldn't he have been rationalizing?
couldn't we have been rationalizing?
couldn't you have been rationalizing?
couldn't they have been rationalizing?