could upset
Verbo irregular: upset - upset- upset

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could upset
you could upset
he could upset
we could upset
you could upset
they could upset 	I could be upsetting
you could be upsetting
he could be upsetting
we could be upsetting
you could be upsetting
they could be upsetting	I could have upset
you could have upset
he could have upset
we could have upset
you could have upset
they could have upset	I could have been upsetting
you could have been upsetting
he could have been upsetting
we could have been upsetting
you could have been upsetting
they could have been upsetting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't upset
you couldn't upset
he couldn't upset
we couldn't upset
you couldn't upset
they couldn't upset 	I couldn't be upsetting
you couldn't be upsetting
he couldn't be upsetting
we couldn't be upsetting
you couldn't be upsetting
they couldn't be upsetting	I couldn't have upset
you couldn't have upset
he couldn't have upset
we couldn't have upset
you couldn't have upset
they couldn't have upset	I couldn't have been upsetting
you couldn't have been upsetting
he couldn't have been upsetting
we couldn't have been upsetting
you couldn't have been upsetting
they couldn't have been upsetting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I upset?
could you upset?
could he upset?
could we upset?
could you upset?
could they upset? 	could I be upsetting?
could you be upsetting?
could he be upsetting?
could we be upsetting?
could you be upsetting?
could they be upsetting? 	could I have upset?
could you have upset?
could he have upset?
could we have upset?
could you have upset?
could they have upset? 	could I have been upsetting?
could you have been upsetting?
could he have been upsetting?
could we have been upsetting?
could you have been upsetting?
could they have been upsetting? 	

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