English verb conjugation
COULD COCHAIR

Regular verb: cochair - cochaired - cochaired

Affirmation

Simple form	V-ing form
I could cochair you could cochair he could cochair we could cochair you could cochair they could cochair	I could be cochairing you could be cochairing he could be cochairing we could be cochairing you could be cochairing they could be cochairing
Perfect	V-ing perfect
I could have cochaired you could have cochaired he could have cochaired we could have cochaired you could have cochaired they could have cochaired	I could have been cochairing you could have been cochairing he could have been cochairing we could have been cochairing you could have been cochairing they could have been cochairing

Negation

Simple form	V-ing form
I could not cochair you could not cochair he could not cochair we could not cochair you could not cochair they could not cochair	I could not be cochairing you could not be cochairing he could not be cochairing we could not be cochairing you could not be cochairing they could not be cochairing
Perfect	V-ing perfect
I could not have cochaired you could not have cochaired he could not have cochaired we could not have cochaired you could not have cochaired they could not have cochaired	I could not have been cochairing you could not have been cochairing he could not have been cochairing we could not have been cochairing you could not have been cochairing they could not have been cochairing

Interrogative form

Simple form	V-ing form
could I cochair? could you cochair? could he cochair? could we cochair? could you cochair? could they cochair?	could I be cochairing? could you be cochairing? could he be cochairing? could we be cochairing? could you be cochairing? could they be cochairing?
Perfect	V-ing perfect
could I have cochaired? could you have cochaired? could he have cochaired? could we have cochaired? could you have cochaired? could they have cochaired?	could I have been cochairing? could you have been cochairing? could he have been cochairing? could we have been cochairing? could you have been cochairing? could they have been cochairing?

Interro-negative form

Simple form	V-ing form
could I not cochair? could you not cochair? could he not cochair? could we not cochair? could you not cochair? could they not cochair?	could I not be cochairing? could you not be cochairing? could he not be cochairing? could we not be cochairing? could you not be cochairing? could they not be cochairing?
Perfect	V-ing perfect
could I not have cochaired? could you not have cochaired? could he not have cochaired? could we not have cochaired? could you not have cochaired? could they not have cochaired?	could I not have been cochairing? could you not have been cochairing? could he not have been cochairing? could we not have been cochairing? could you not have been cochairing? could they not have been cochairing?