I could de-emphasize you could de-emphasize he could de-emphasize we could de-emphasize you could de-emphasize they could de-emphasize
V-ing form
I could be de-emphasizing you could be de-emphasizing he could be de-emphasizing we could be de-emphasizing you could be de-emphasizing they could be de-emphasizing
Perfect
I could have de-emphasized you could have de-emphasized he could have de-emphasized we could have de-emphasized you could have de-emphasized they could have de-emphasized
V-ing perfect
I could have been de-emphasizing you could have been de-emphasizing he could have been de-emphasizing we could have been de-emphasizing you could have been de-emphasizing they could have been de-emphasizing
Negation
Simple form
I couldn't de-emphasize you couldn't de-emphasize he couldn't de-emphasize we couldn't de-emphasize you couldn't de-emphasize they couldn't de-emphasize
V-ing form
I couldn't be de-emphasizing you couldn't be de-emphasizing he couldn't be de-emphasizing we couldn't be de-emphasizing you couldn't be de-emphasizing they couldn't be de-emphasizing
Perfect
I couldn't have de-emphasized you couldn't have de-emphasized he couldn't have de-emphasized we couldn't have de-emphasized you couldn't have de-emphasized they couldn't have de-emphasized
V-ing perfect
I couldn't have been de-emphasizing you couldn't have been de-emphasizing he couldn't have been de-emphasizing we couldn't have been de-emphasizing you couldn't have been de-emphasizing they couldn't have been de-emphasizing
Interrogative form
Simple form
could I de-emphasize? could you de-emphasize? could he de-emphasize? could we de-emphasize? could you de-emphasize? could they de-emphasize?
V-ing form
could I be de-emphasizing? could you be de-emphasizing? could he be de-emphasizing? could we be de-emphasizing? could you be de-emphasizing? could they be de-emphasizing?
Perfect
could I have de-emphasized? could you have de-emphasized? could he have de-emphasized? could we have de-emphasized? could you have de-emphasized? could they have de-emphasized?
V-ing perfect
could I have been de-emphasizing? could you have been de-emphasizing? could he have been de-emphasizing? could we have been de-emphasizing? could you have been de-emphasizing? could they have been de-emphasizing?
Interro-negative form
Simple form
couldn't I de-emphasize? couldn't you de-emphasize? couldn't he de-emphasize? couldn't we de-emphasize? couldn't you de-emphasize? couldn't they de-emphasize?
V-ing form
couldn't I be de-emphasizing? couldn't you be de-emphasizing? couldn't he be de-emphasizing? couldn't we be de-emphasizing? couldn't you be de-emphasizing? couldn't they be de-emphasizing?
Perfect
couldn't I have de-emphasized? couldn't you have de-emphasized? couldn't he have de-emphasized? couldn't we have de-emphasized? couldn't you have de-emphasized? couldn't they have de-emphasized?
V-ing perfect
couldn't I have been de-emphasizing? couldn't you have been de-emphasizing? couldn't he have been de-emphasizing? couldn't we have been de-emphasizing? couldn't you have been de-emphasizing? couldn't they have been de-emphasizing?