Conjugación del verbo inglés
COULD UPSIZE

Verbo regular: upsize - upsized - upsized

Afirmación

Forma simple	Forma con V-ing
I could upsize you could upsize he could upsize we could upsize you could upsize they could upsize	I could be upsizing you could be upsizing he could be upsizing we could be upsizing you could be upsizing they could be upsizing
Perfecto	Perfecto con V-ing
I could have upsized you could have upsized he could have upsized we could have upsized you could have upsized they could have upsized	I could have been upsizing you could have been upsizing he could have been upsizing we could have been upsizing you could have been upsizing they could have been upsizing

Negación

Forma simple	Forma con V-ing
I couldn't upsize you couldn't upsize he couldn't upsize we couldn't upsize you couldn't upsize they couldn't upsize	I couldn't be upsizing you couldn't be upsizing he couldn't be upsizing we couldn't be upsizing you couldn't be upsizing they couldn't be upsizing
Perfecto	Perfecto con V-ing
I couldn't have upsized you couldn't have upsized he couldn't have upsized we couldn't have upsized you couldn't have upsized they couldn't have upsized	I couldn't have been upsizing you couldn't have been upsizing he couldn't have been upsizing we couldn't have been upsizing you couldn't have been upsizing they couldn't have been upsizing

Forma interrogativa

Forma simple	Forma con V-ing
could I upsize? could you upsize? could he upsize? could we upsize? could you upsize? could they upsize?	could I be upsizing? could you be upsizing? could he be upsizing? could we be upsizing? could you be upsizing? could they be upsizing?
Perfecto	Perfecto con V-ing
could I have upsized? could you have upsized? could he have upsized? could we have upsized? could you have upsized? could they have upsized?	could I have been upsizing? could you have been upsizing? could he have been upsizing? could we have been upsizing? could you have been upsizing? could they have been upsizing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I upsize? couldn't you upsize? couldn't he upsize? couldn't we upsize? couldn't you upsize? couldn't they upsize?	couldn't I be upsizing? couldn't you be upsizing? couldn't he be upsizing? couldn't we be upsizing? couldn't you be upsizing? couldn't they be upsizing?
Perfecto	Perfecto con V-ing
couldn't I have upsized? couldn't you have upsized? couldn't he have upsized? couldn't we have upsized? couldn't you have upsized? couldn't they have upsized?	couldn't I have been upsizing? couldn't you have been upsizing? couldn't he have been upsizing? couldn't we have been upsizing? couldn't you have been upsizing? couldn't they have been upsizing?