English verb conjugation
COULD OUTFOOL

Regular verb: outfool - outfooled - outfooled

Affirmation

Simple form	V-ing form
I could outfool you could outfool she could outfool we could outfool you could outfool they could outfool	I could be outfooling you could be outfooling she could be outfooling we could be outfooling you could be outfooling they could be outfooling
Perfect	V-ing perfect
I could have outfooled you could have outfooled she could have outfooled we could have outfooled you could have outfooled they could have outfooled	I could have been outfooling you could have been outfooling she could have been outfooling we could have been outfooling you could have been outfooling they could have been outfooling

Negation

Simple form	V-ing form
I couldn't outfool you couldn't outfool she couldn't outfool we couldn't outfool you couldn't outfool they couldn't outfool	I couldn't be outfooling you couldn't be outfooling she couldn't be outfooling we couldn't be outfooling you couldn't be outfooling they couldn't be outfooling
Perfect	V-ing perfect
I couldn't have outfooled you couldn't have outfooled she couldn't have outfooled we couldn't have outfooled you couldn't have outfooled they couldn't have outfooled	I couldn't have been outfooling you couldn't have been outfooling she couldn't have been outfooling we couldn't have been outfooling you couldn't have been outfooling they couldn't have been outfooling

Interrogative form

Simple form	V-ing form
could I outfool? could you outfool? could she outfool? could we outfool? could you outfool? could they outfool?	could I be outfooling? could you be outfooling? could she be outfooling? could we be outfooling? could you be outfooling? could they be outfooling?
Perfect	V-ing perfect
could I have outfooled? could you have outfooled? could she have outfooled? could we have outfooled? could you have outfooled? could they have outfooled?	could I have been outfooling? could you have been outfooling? could she have been outfooling? could we have been outfooling? could you have been outfooling? could they have been outfooling?

Interro-negative form

Simple form	V-ing form
couldn't I outfool? couldn't you outfool? couldn't she outfool? couldn't we outfool? couldn't you outfool? couldn't they outfool?	couldn't I be outfooling? couldn't you be outfooling? couldn't she be outfooling? couldn't we be outfooling? couldn't you be outfooling? couldn't they be outfooling?
Perfect	V-ing perfect
couldn't I have outfooled? couldn't you have outfooled? couldn't she have outfooled? couldn't we have outfooled? couldn't you have outfooled? couldn't they have outfooled?	couldn't I have been outfooling? couldn't you have been outfooling? couldn't she have been outfooling? couldn't we have been outfooling? couldn't you have been outfooling? couldn't they have been outfooling?