English verb conjugation
COULD EMPHASIZE

Regular verb: emphasize - emphasized - emphasized

Affirmation

Simple form	V-ing form
I could emphasize you could emphasize he could emphasize we could emphasize you could emphasize they could emphasize	I could be emphasizing you could be emphasizing he could be emphasizing we could be emphasizing you could be emphasizing they could be emphasizing
Perfect	V-ing perfect
I could have emphasized you could have emphasized he could have emphasized we could have emphasized you could have emphasized they could have emphasized	I could have been emphasizing you could have been emphasizing he could have been emphasizing we could have been emphasizing you could have been emphasizing they could have been emphasizing

Negation

Simple form	V-ing form
I couldn't emphasize you couldn't emphasize he couldn't emphasize we couldn't emphasize you couldn't emphasize they couldn't emphasize	I couldn't be emphasizing you couldn't be emphasizing he couldn't be emphasizing we couldn't be emphasizing you couldn't be emphasizing they couldn't be emphasizing
Perfect	V-ing perfect
I couldn't have emphasized you couldn't have emphasized he couldn't have emphasized we couldn't have emphasized you couldn't have emphasized they couldn't have emphasized	I couldn't have been emphasizing you couldn't have been emphasizing he couldn't have been emphasizing we couldn't have been emphasizing you couldn't have been emphasizing they couldn't have been emphasizing

Interrogative form

Simple form	V-ing form
could I emphasize? could you emphasize? could he emphasize? could we emphasize? could you emphasize? could they emphasize?	could I be emphasizing? could you be emphasizing? could he be emphasizing? could we be emphasizing? could you be emphasizing? could they be emphasizing?
Perfect	V-ing perfect
could I have emphasized? could you have emphasized? could he have emphasized? could we have emphasized? could you have emphasized? could they have emphasized?	could I have been emphasizing? could you have been emphasizing? could he have been emphasizing? could we have been emphasizing? could you have been emphasizing? could they have been emphasizing?

Interro-negative form

Simple form	V-ing form
couldn't I emphasize? couldn't you emphasize? couldn't he emphasize? couldn't we emphasize? couldn't you emphasize? couldn't they emphasize?	couldn't I be emphasizing? couldn't you be emphasizing? couldn't he be emphasizing? couldn't we be emphasizing? couldn't you be emphasizing? couldn't they be emphasizing?
Perfect	V-ing perfect
couldn't I have emphasized? couldn't you have emphasized? couldn't he have emphasized? couldn't we have emphasized? couldn't you have emphasized? couldn't they have emphasized?	couldn't I have been emphasizing? couldn't you have been emphasizing? couldn't he have been emphasizing? couldn't we have been emphasizing? couldn't you have been emphasizing? couldn't they have been emphasizing?