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 couldn't wigwag you couldn't wigwag he couldn't wigwag we couldn't wigwag you couldn't wigwag they couldn't wigwag	I couldn't be wigwaging you couldn't be wigwaging he couldn't be wigwaging we couldn't be wigwaging you couldn't be wigwaging they couldn't be wigwaging
Perfect	V-ing perfect
I couldn't have wigwaged you couldn't have wigwaged he couldn't have wigwaged we couldn't have wigwaged you couldn't have wigwaged they couldn't have wigwaged	I couldn't have been wigwaging you couldn't have been wigwaging he couldn't have been wigwaging we couldn't have been wigwaging you couldn't have been wigwaging they couldn't 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
couldn't I wigwag? couldn't you wigwag? couldn't he wigwag? couldn't we wigwag? couldn't you wigwag? couldn't they wigwag?	couldn't I be wigwaging? couldn't you be wigwaging? couldn't he be wigwaging? couldn't we be wigwaging? couldn't you be wigwaging? couldn't they be wigwaging?
Perfect	V-ing perfect
couldn't I have wigwaged? couldn't you have wigwaged? couldn't he have wigwaged? couldn't we have wigwaged? couldn't you have wigwaged? couldn't they have wigwaged?	couldn't I have been wigwaging? couldn't you have been wigwaging? couldn't he have been wigwaging? couldn't we have been wigwaging? couldn't you have been wigwaging? couldn't they have been wigwaging?