English verb conjugation
COULD UNDEREMPHASIZE

Regular verb: underemphasize - underemphasized - underemphasized

Affirmation

Simple form	V-ing form
I could underemphasize you could underemphasize he could underemphasize we could underemphasize you could underemphasize they could underemphasize	I could be underemphasizing you could be underemphasizing he could be underemphasizing we could be underemphasizing you could be underemphasizing they could be underemphasizing
Perfect	V-ing perfect
I could have underemphasized you could have underemphasized he could have underemphasized we could have underemphasized you could have underemphasized they could have underemphasized	I could have been underemphasizing you could have been underemphasizing he could have been underemphasizing we could have been underemphasizing you could have been underemphasizing they could have been underemphasizing

Negation

Simple form	V-ing form
I couldn't underemphasize you couldn't underemphasize he couldn't underemphasize we couldn't underemphasize you couldn't underemphasize they couldn't underemphasize	I couldn't be underemphasizing you couldn't be underemphasizing he couldn't be underemphasizing we couldn't be underemphasizing you couldn't be underemphasizing they couldn't be underemphasizing
Perfect	V-ing perfect
I couldn't have underemphasized you couldn't have underemphasized he couldn't have underemphasized we couldn't have underemphasized you couldn't have underemphasized they couldn't have underemphasized	I couldn't have been underemphasizing you couldn't have been underemphasizing he couldn't have been underemphasizing we couldn't have been underemphasizing you couldn't have been underemphasizing they couldn't have been underemphasizing

Interrogative form

Simple form	V-ing form
could I underemphasize? could you underemphasize? could he underemphasize? could we underemphasize? could you underemphasize? could they underemphasize?	could I be underemphasizing? could you be underemphasizing? could he be underemphasizing? could we be underemphasizing? could you be underemphasizing? could they be underemphasizing?
Perfect	V-ing perfect
could I have underemphasized? could you have underemphasized? could he have underemphasized? could we have underemphasized? could you have underemphasized? could they have underemphasized?	could I have been underemphasizing? could you have been underemphasizing? could he have been underemphasizing? could we have been underemphasizing? could you have been underemphasizing? could they have been underemphasizing?

Interro-negative form

Simple form	V-ing form
couldn't I underemphasize? couldn't you underemphasize? couldn't he underemphasize? couldn't we underemphasize? couldn't you underemphasize? couldn't they underemphasize?	couldn't I be underemphasizing? couldn't you be underemphasizing? couldn't he be underemphasizing? couldn't we be underemphasizing? couldn't you be underemphasizing? couldn't they be underemphasizing?
Perfect	V-ing perfect
couldn't I have underemphasized? couldn't you have underemphasized? couldn't he have underemphasized? couldn't we have underemphasized? couldn't you have underemphasized? couldn't they have underemphasized?	couldn't I have been underemphasizing? couldn't you have been underemphasizing? couldn't he have been underemphasizing? couldn't we have been underemphasizing? couldn't you have been underemphasizing? couldn't they have been underemphasizing?