English verb conjugation
COULD WIGWAG

Regular verb: wigwag - wigwaged - wigwaged

Affirmation

Simple form	V-ing form
I could wigwag you could wigwag he could wigwag we could wigwag you could wigwag they could wigwag	I could be wigwaging you could be wigwaging he could be wigwaging we could be wigwaging you could be wigwaging they could be wigwaging
Perfect	V-ing perfect
I could have wigwaged you could have wigwaged he could have wigwaged we could have wigwaged you could have wigwaged they could have wigwaged	I could have been wigwaging you could have been wigwaging he could have been wigwaging we could have been wigwaging you could have been wigwaging they could have been wigwaging

Negation

Simple form	V-ing form
I could not wigwag you could not wigwag he could not wigwag we could not wigwag you could not wigwag they could not wigwag	I could not be wigwaging you could not be wigwaging he could not be wigwaging we could not be wigwaging you could not be wigwaging they could not be wigwaging
Perfect	V-ing perfect
I could not have wigwaged you could not have wigwaged he could not have wigwaged we could not have wigwaged you could not have wigwaged they could not have wigwaged	I could not have been wigwaging you could not have been wigwaging he could not have been wigwaging we could not have been wigwaging you could not have been wigwaging they could not have been wigwaging

Interrogative form

Simple form	V-ing form
could I wigwag? could you wigwag? could he wigwag? could we wigwag? could you wigwag? could they wigwag?	could I be wigwaging? could you be wigwaging? could he be wigwaging? could we be wigwaging? could you be wigwaging? could they be wigwaging?
Perfect	V-ing perfect
could I have wigwaged? could you have wigwaged? could he have wigwaged? could we have wigwaged? could you have wigwaged? could they have wigwaged?	could I have been wigwaging? could you have been wigwaging? could he have been wigwaging? could we have been wigwaging? could you have been wigwaging? could they have been wigwaging?

Interro-negative form

Simple form	V-ing form
could I not wigwag? could you not wigwag? could he not wigwag? could we not wigwag? could you not wigwag? could they not wigwag?	could I not be wigwaging? could you not be wigwaging? could he not be wigwaging? could we not be wigwaging? could you not be wigwaging? could they not be wigwaging?
Perfect	V-ing perfect
could I not have wigwaged? could you not have wigwaged? could he not have wigwaged? could we not have wigwaged? could you not have wigwaged? could they not have wigwaged?	could I not have been wigwaging? could you not have been wigwaging? could he not have been wigwaging? could we not have been wigwaging? could you not have been wigwaging? could they not have been wigwaging?