English verb conjugation
COULD EMPHASIZE

Regular verb: emphasize - emphasized - emphasized

Affirmation

Simple form	V-ing form
I could emphasize you could emphasize she could emphasize we could emphasize you could emphasize they could emphasize	I could be emphasizing you could be emphasizing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she emphasize? could we emphasize? could you emphasize? could they emphasize?	could I be emphasizing? could you be emphasizing? could she 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 she 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 she 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 she 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 she 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 she 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 she have been emphasizing? couldn't we have been emphasizing? couldn't you have been emphasizing? couldn't they have been emphasizing?