English verb conjugation
COULD OVEREXPAND

Regular verb: overexpand - overexpanded - overexpanded

Affirmation

Simple form	V-ing form
I could overexpand you could overexpand she could overexpand we could overexpand you could overexpand they could overexpand	I could be overexpanding you could be overexpanding she could be overexpanding we could be overexpanding you could be overexpanding they could be overexpanding
Perfect	V-ing perfect
I could have overexpanded you could have overexpanded she could have overexpanded we could have overexpanded you could have overexpanded they could have overexpanded	I could have been overexpanding you could have been overexpanding she could have been overexpanding we could have been overexpanding you could have been overexpanding they could have been overexpanding

Negation

Simple form	V-ing form
I couldn't overexpand you couldn't overexpand she couldn't overexpand we couldn't overexpand you couldn't overexpand they couldn't overexpand	I couldn't be overexpanding you couldn't be overexpanding she couldn't be overexpanding we couldn't be overexpanding you couldn't be overexpanding they couldn't be overexpanding
Perfect	V-ing perfect
I couldn't have overexpanded you couldn't have overexpanded she couldn't have overexpanded we couldn't have overexpanded you couldn't have overexpanded they couldn't have overexpanded	I couldn't have been overexpanding you couldn't have been overexpanding she couldn't have been overexpanding we couldn't have been overexpanding you couldn't have been overexpanding they couldn't have been overexpanding

Interrogative form

Simple form	V-ing form
could I overexpand? could you overexpand? could she overexpand? could we overexpand? could you overexpand? could they overexpand?	could I be overexpanding? could you be overexpanding? could she be overexpanding? could we be overexpanding? could you be overexpanding? could they be overexpanding?
Perfect	V-ing perfect
could I have overexpanded? could you have overexpanded? could she have overexpanded? could we have overexpanded? could you have overexpanded? could they have overexpanded?	could I have been overexpanding? could you have been overexpanding? could she have been overexpanding? could we have been overexpanding? could you have been overexpanding? could they have been overexpanding?

Interro-negative form

Simple form	V-ing form
couldn't I overexpand? couldn't you overexpand? couldn't she overexpand? couldn't we overexpand? couldn't you overexpand? couldn't they overexpand?	couldn't I be overexpanding? couldn't you be overexpanding? couldn't she be overexpanding? couldn't we be overexpanding? couldn't you be overexpanding? couldn't they be overexpanding?
Perfect	V-ing perfect
couldn't I have overexpanded? couldn't you have overexpanded? couldn't she have overexpanded? couldn't we have overexpanded? couldn't you have overexpanded? couldn't they have overexpanded?	couldn't I have been overexpanding? couldn't you have been overexpanding? couldn't she have been overexpanding? couldn't we have been overexpanding? couldn't you have been overexpanding? couldn't they have been overexpanding?