could normalise
Verbo regular: normalise - normalised- normalised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could normalise
you could normalise
he could normalise
we could normalise
you could normalise
they could normalise 	I could be normalising
you could be normalising
he could be normalising
we could be normalising
you could be normalising
they could be normalising	I could have normalised
you could have normalised
he could have normalised
we could have normalised
you could have normalised
they could have normalised	I could have been normalising
you could have been normalising
he could have been normalising
we could have been normalising
you could have been normalising
they could have been normalising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't normalise
you couldn't normalise
he couldn't normalise
we couldn't normalise
you couldn't normalise
they couldn't normalise 	I couldn't be normalising
you couldn't be normalising
he couldn't be normalising
we couldn't be normalising
you couldn't be normalising
they couldn't be normalising	I couldn't have normalised
you couldn't have normalised
he couldn't have normalised
we couldn't have normalised
you couldn't have normalised
they couldn't have normalised	I couldn't have been normalising
you couldn't have been normalising
he couldn't have been normalising
we couldn't have been normalising
you couldn't have been normalising
they couldn't have been normalising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I normalise?
could you normalise?
could he normalise?
could we normalise?
could you normalise?
could they normalise? 	could I be normalising?
could you be normalising?
could he be normalising?
could we be normalising?
could you be normalising?
could they be normalising? 	could I have normalised?
could you have normalised?
could he have normalised?
could we have normalised?
could you have normalised?
could they have normalised? 	could I have been normalising?
could you have been normalising?
could he have been normalising?
could we have been normalising?
could you have been normalising?
could they have been normalising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I normalise?
couldn't you normalise?
couldn't he normalise?
couldn't we normalise?
couldn't you normalise?
couldn't they normalise? 	couldn't I be normalising?
couldn't you be normalising?
couldn't he be normalising?
couldn't we be normalising?
couldn't you be normalising?
couldn't they be normalising? 	couldn't I have normalised?
couldn't you have normalised?
couldn't he have normalised?
couldn't we have normalised?
couldn't you have normalised?
couldn't they have normalised? 	couldn't I have been normalising?
couldn't you have been normalising?
couldn't he have been normalising?
couldn't we have been normalising?
couldn't you have been normalising?
couldn't they have been normalising?