English verb conjugation
COULD UNDERSCORE

Regular verb: underscore - underscored - underscored

Affirmation

Simple form	V-ing form
I could underscore you could underscore she could underscore we could underscore you could underscore they could underscore	I could be underscoring you could be underscoring she could be underscoring we could be underscoring you could be underscoring they could be underscoring
Perfect	V-ing perfect
I could have underscored you could have underscored she could have underscored we could have underscored you could have underscored they could have underscored	I could have been underscoring you could have been underscoring she could have been underscoring we could have been underscoring you could have been underscoring they could have been underscoring

Negation

Simple form	V-ing form
I could not underscore you could not underscore she could not underscore we could not underscore you could not underscore they could not underscore	I could not be underscoring you could not be underscoring she could not be underscoring we could not be underscoring you could not be underscoring they could not be underscoring
Perfect	V-ing perfect
I could not have underscored you could not have underscored she could not have underscored we could not have underscored you could not have underscored they could not have underscored	I could not have been underscoring you could not have been underscoring she could not have been underscoring we could not have been underscoring you could not have been underscoring they could not have been underscoring

Interrogative form

Simple form	V-ing form
could I underscore? could you underscore? could she underscore? could we underscore? could you underscore? could they underscore?	could I be underscoring? could you be underscoring? could she be underscoring? could we be underscoring? could you be underscoring? could they be underscoring?
Perfect	V-ing perfect
could I have underscored? could you have underscored? could she have underscored? could we have underscored? could you have underscored? could they have underscored?	could I have been underscoring? could you have been underscoring? could she have been underscoring? could we have been underscoring? could you have been underscoring? could they have been underscoring?

Interro-negative form

Simple form	V-ing form
could I not underscore? could you not underscore? could she not underscore? could we not underscore? could you not underscore? could they not underscore?	could I not be underscoring? could you not be underscoring? could she not be underscoring? could we not be underscoring? could you not be underscoring? could they not be underscoring?
Perfect	V-ing perfect
could I not have underscored? could you not have underscored? could she not have underscored? could we not have underscored? could you not have underscored? could they not have underscored?	could I not have been underscoring? could you not have been underscoring? could she not have been underscoring? could we not have been underscoring? could you not have been underscoring? could they not have been underscoring?