English verb conjugation
COULD DOWNSIZE

Regular verb: downsize - downsized - downsized

Affirmation

Simple form	V-ing form
I could downsize you could downsize he could downsize we could downsize you could downsize they could downsize	I could be downsizing you could be downsizing he could be downsizing we could be downsizing you could be downsizing they could be downsizing
Perfect	V-ing perfect
I could have downsized you could have downsized he could have downsized we could have downsized you could have downsized they could have downsized	I could have been downsizing you could have been downsizing he could have been downsizing we could have been downsizing you could have been downsizing they could have been downsizing

Negation

Simple form	V-ing form
I couldn't downsize you couldn't downsize he couldn't downsize we couldn't downsize you couldn't downsize they couldn't downsize	I couldn't be downsizing you couldn't be downsizing he couldn't be downsizing we couldn't be downsizing you couldn't be downsizing they couldn't be downsizing
Perfect	V-ing perfect
I couldn't have downsized you couldn't have downsized he couldn't have downsized we couldn't have downsized you couldn't have downsized they couldn't have downsized	I couldn't have been downsizing you couldn't have been downsizing he couldn't have been downsizing we couldn't have been downsizing you couldn't have been downsizing they couldn't have been downsizing

Interrogative form

Simple form	V-ing form
could I downsize? could you downsize? could he downsize? could we downsize? could you downsize? could they downsize?	could I be downsizing? could you be downsizing? could he be downsizing? could we be downsizing? could you be downsizing? could they be downsizing?
Perfect	V-ing perfect
could I have downsized? could you have downsized? could he have downsized? could we have downsized? could you have downsized? could they have downsized?	could I have been downsizing? could you have been downsizing? could he have been downsizing? could we have been downsizing? could you have been downsizing? could they have been downsizing?

Interro-negative form

Simple form	V-ing form
couldn't I downsize? couldn't you downsize? couldn't he downsize? couldn't we downsize? couldn't you downsize? couldn't they downsize?	couldn't I be downsizing? couldn't you be downsizing? couldn't he be downsizing? couldn't we be downsizing? couldn't you be downsizing? couldn't they be downsizing?
Perfect	V-ing perfect
couldn't I have downsized? couldn't you have downsized? couldn't he have downsized? couldn't we have downsized? couldn't you have downsized? couldn't they have downsized?	couldn't I have been downsizing? couldn't you have been downsizing? couldn't he have been downsizing? couldn't we have been downsizing? couldn't you have been downsizing? couldn't they have been downsizing?