could mongrelise
Verbo regular: mongrelise - mongrelised- mongrelised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could mongrelise
you could mongrelise
he could mongrelise
we could mongrelise
you could mongrelise
they could mongrelise 	I could be mongrelising
you could be mongrelising
he could be mongrelising
we could be mongrelising
you could be mongrelising
they could be mongrelising	I could have mongrelised
you could have mongrelised
he could have mongrelised
we could have mongrelised
you could have mongrelised
they could have mongrelised	I could have been mongrelising
you could have been mongrelising
he could have been mongrelising
we could have been mongrelising
you could have been mongrelising
they could have been mongrelising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't mongrelise
you couldn't mongrelise
he couldn't mongrelise
we couldn't mongrelise
you couldn't mongrelise
they couldn't mongrelise 	I couldn't be mongrelising
you couldn't be mongrelising
he couldn't be mongrelising
we couldn't be mongrelising
you couldn't be mongrelising
they couldn't be mongrelising	I couldn't have mongrelised
you couldn't have mongrelised
he couldn't have mongrelised
we couldn't have mongrelised
you couldn't have mongrelised
they couldn't have mongrelised	I couldn't have been mongrelising
you couldn't have been mongrelising
he couldn't have been mongrelising
we couldn't have been mongrelising
you couldn't have been mongrelising
they couldn't have been mongrelising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I mongrelise?
could you mongrelise?
could he mongrelise?
could we mongrelise?
could you mongrelise?
could they mongrelise? 	could I be mongrelising?
could you be mongrelising?
could he be mongrelising?
could we be mongrelising?
could you be mongrelising?
could they be mongrelising? 	could I have mongrelised?
could you have mongrelised?
could he have mongrelised?
could we have mongrelised?
could you have mongrelised?
could they have mongrelised? 	could I have been mongrelising?
could you have been mongrelising?
could he have been mongrelising?
could we have been mongrelising?
could you have been mongrelising?
could they have been mongrelising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I mongrelise?
couldn't you mongrelise?
couldn't he mongrelise?
couldn't we mongrelise?
couldn't you mongrelise?
couldn't they mongrelise? 	couldn't I be mongrelising?
couldn't you be mongrelising?
couldn't he be mongrelising?
couldn't we be mongrelising?
couldn't you be mongrelising?
couldn't they be mongrelising? 	couldn't I have mongrelised?
couldn't you have mongrelised?
couldn't he have mongrelised?
couldn't we have mongrelised?
couldn't you have mongrelised?
couldn't they have mongrelised? 	couldn't I have been mongrelising?
couldn't you have been mongrelising?
couldn't he have been mongrelising?
couldn't we have been mongrelising?
couldn't you have been mongrelising?
couldn't they have been mongrelising?