English verb conjugation
COULD DESPAIR

Regular verb: despair - despaired - despaired

Affirmation

Simple form	V-ing form
I could despair you could despair he could despair we could despair you could despair they could despair	I could be despairing you could be despairing he could be despairing we could be despairing you could be despairing they could be despairing
Perfect	V-ing perfect
I could have despaired you could have despaired he could have despaired we could have despaired you could have despaired they could have despaired	I could have been despairing you could have been despairing he could have been despairing we could have been despairing you could have been despairing they could have been despairing

Negation

Simple form	V-ing form
I could not despair you could not despair he could not despair we could not despair you could not despair they could not despair	I could not be despairing you could not be despairing he could not be despairing we could not be despairing you could not be despairing they could not be despairing
Perfect	V-ing perfect
I could not have despaired you could not have despaired he could not have despaired we could not have despaired you could not have despaired they could not have despaired	I could not have been despairing you could not have been despairing he could not have been despairing we could not have been despairing you could not have been despairing they could not have been despairing

Interrogative form

Simple form	V-ing form
could I despair? could you despair? could he despair? could we despair? could you despair? could they despair?	could I be despairing? could you be despairing? could he be despairing? could we be despairing? could you be despairing? could they be despairing?
Perfect	V-ing perfect
could I have despaired? could you have despaired? could he have despaired? could we have despaired? could you have despaired? could they have despaired?	could I have been despairing? could you have been despairing? could he have been despairing? could we have been despairing? could you have been despairing? could they have been despairing?

Interro-negative form

Simple form	V-ing form
could I not despair? could you not despair? could he not despair? could we not despair? could you not despair? could they not despair?	could I not be despairing? could you not be despairing? could he not be despairing? could we not be despairing? could you not be despairing? could they not be despairing?
Perfect	V-ing perfect
could I not have despaired? could you not have despaired? could he not have despaired? could we not have despaired? could you not have despaired? could they not have despaired?	could I not have been despairing? could you not have been despairing? could he not have been despairing? could we not have been despairing? could you not have been despairing? could they not have been despairing?