could mongrelize
Verbo regular: mongrelize - mongrelized- mongrelized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could mongrelize
you could mongrelize
he could mongrelize
we could mongrelize
you could mongrelize
they could mongrelize 	I could be mongrelizing
you could be mongrelizing
he could be mongrelizing
we could be mongrelizing
you could be mongrelizing
they could be mongrelizing	I could have mongrelized
you could have mongrelized
he could have mongrelized
we could have mongrelized
you could have mongrelized
they could have mongrelized	I could have been mongrelizing
you could have been mongrelizing
he could have been mongrelizing
we could have been mongrelizing
you could have been mongrelizing
they could have been mongrelizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't mongrelize
you couldn't mongrelize
he couldn't mongrelize
we couldn't mongrelize
you couldn't mongrelize
they couldn't mongrelize 	I couldn't be mongrelizing
you couldn't be mongrelizing
he couldn't be mongrelizing
we couldn't be mongrelizing
you couldn't be mongrelizing
they couldn't be mongrelizing	I couldn't have mongrelized
you couldn't have mongrelized
he couldn't have mongrelized
we couldn't have mongrelized
you couldn't have mongrelized
they couldn't have mongrelized	I couldn't have been mongrelizing
you couldn't have been mongrelizing
he couldn't have been mongrelizing
we couldn't have been mongrelizing
you couldn't have been mongrelizing
they couldn't have been mongrelizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I mongrelize?
could you mongrelize?
could he mongrelize?
could we mongrelize?
could you mongrelize?
could they mongrelize? 	could I be mongrelizing?
could you be mongrelizing?
could he be mongrelizing?
could we be mongrelizing?
could you be mongrelizing?
could they be mongrelizing? 	could I have mongrelized?
could you have mongrelized?
could he have mongrelized?
could we have mongrelized?
could you have mongrelized?
could they have mongrelized? 	could I have been mongrelizing?
could you have been mongrelizing?
could he have been mongrelizing?
could we have been mongrelizing?
could you have been mongrelizing?
could they have been mongrelizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I mongrelize?
couldn't you mongrelize?
couldn't he mongrelize?
couldn't we mongrelize?
couldn't you mongrelize?
couldn't they mongrelize? 	couldn't I be mongrelizing?
couldn't you be mongrelizing?
couldn't he be mongrelizing?
couldn't we be mongrelizing?
couldn't you be mongrelizing?
couldn't they be mongrelizing? 	couldn't I have mongrelized?
couldn't you have mongrelized?
couldn't he have mongrelized?
couldn't we have mongrelized?
couldn't you have mongrelized?
couldn't they have mongrelized? 	couldn't I have been mongrelizing?
couldn't you have been mongrelizing?
couldn't he have been mongrelizing?
couldn't we have been mongrelizing?
couldn't you have been mongrelizing?
couldn't they have been mongrelizing?