could predefine
Verbo regular: predefine - predefined- predefined

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could predefine
you could predefine
he could predefine
we could predefine
you could predefine
they could predefine 	I could be predefining
you could be predefining
he could be predefining
we could be predefining
you could be predefining
they could be predefining	I could have predefined
you could have predefined
he could have predefined
we could have predefined
you could have predefined
they could have predefined	I could have been predefining
you could have been predefining
he could have been predefining
we could have been predefining
you could have been predefining
they could have been predefining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't predefine
you couldn't predefine
he couldn't predefine
we couldn't predefine
you couldn't predefine
they couldn't predefine 	I couldn't be predefining
you couldn't be predefining
he couldn't be predefining
we couldn't be predefining
you couldn't be predefining
they couldn't be predefining	I couldn't have predefined
you couldn't have predefined
he couldn't have predefined
we couldn't have predefined
you couldn't have predefined
they couldn't have predefined	I couldn't have been predefining
you couldn't have been predefining
he couldn't have been predefining
we couldn't have been predefining
you couldn't have been predefining
they couldn't have been predefining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I predefine?
could you predefine?
could he predefine?
could we predefine?
could you predefine?
could they predefine? 	could I be predefining?
could you be predefining?
could he be predefining?
could we be predefining?
could you be predefining?
could they be predefining? 	could I have predefined?
could you have predefined?
could he have predefined?
could we have predefined?
could you have predefined?
could they have predefined? 	could I have been predefining?
could you have been predefining?
could he have been predefining?
could we have been predefining?
could you have been predefining?
could they have been predefining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I predefine?
couldn't you predefine?
couldn't he predefine?
couldn't we predefine?
couldn't you predefine?
couldn't they predefine? 	couldn't I be predefining?
couldn't you be predefining?
couldn't he be predefining?
couldn't we be predefining?
couldn't you be predefining?
couldn't they be predefining? 	couldn't I have predefined?
couldn't you have predefined?
couldn't he have predefined?
couldn't we have predefined?
couldn't you have predefined?
couldn't they have predefined? 	couldn't I have been predefining?
couldn't you have been predefining?
couldn't he have been predefining?
couldn't we have been predefining?
couldn't you have been predefining?
couldn't they have been predefining?