English verb conjugation
COULD OVERHAUL

Regular verb: overhaul - overhauled - overhauled

Affirmation

Simple form	V-ing form
I could overhaul you could overhaul he could overhaul we could overhaul you could overhaul they could overhaul	I could be overhauling you could be overhauling he could be overhauling we could be overhauling you could be overhauling they could be overhauling
Perfect	V-ing perfect
I could have overhauled you could have overhauled he could have overhauled we could have overhauled you could have overhauled they could have overhauled	I could have been overhauling you could have been overhauling he could have been overhauling we could have been overhauling you could have been overhauling they could have been overhauling

Negation

Simple form	V-ing form
I could not overhaul you could not overhaul he could not overhaul we could not overhaul you could not overhaul they could not overhaul	I could not be overhauling you could not be overhauling he could not be overhauling we could not be overhauling you could not be overhauling they could not be overhauling
Perfect	V-ing perfect
I could not have overhauled you could not have overhauled he could not have overhauled we could not have overhauled you could not have overhauled they could not have overhauled	I could not have been overhauling you could not have been overhauling he could not have been overhauling we could not have been overhauling you could not have been overhauling they could not have been overhauling

Interrogative form

Simple form	V-ing form
could I overhaul? could you overhaul? could he overhaul? could we overhaul? could you overhaul? could they overhaul?	could I be overhauling? could you be overhauling? could he be overhauling? could we be overhauling? could you be overhauling? could they be overhauling?
Perfect	V-ing perfect
could I have overhauled? could you have overhauled? could he have overhauled? could we have overhauled? could you have overhauled? could they have overhauled?	could I have been overhauling? could you have been overhauling? could he have been overhauling? could we have been overhauling? could you have been overhauling? could they have been overhauling?

Interro-negative form

Simple form	V-ing form
could I not overhaul? could you not overhaul? could he not overhaul? could we not overhaul? could you not overhaul? could they not overhaul?	could I not be overhauling? could you not be overhauling? could he not be overhauling? could we not be overhauling? could you not be overhauling? could they not be overhauling?
Perfect	V-ing perfect
could I not have overhauled? could you not have overhauled? could he not have overhauled? could we not have overhauled? could you not have overhauled? could they not have overhauled?	could I not have been overhauling? could you not have been overhauling? could he not have been overhauling? could we not have been overhauling? could you not have been overhauling? could they not have been overhauling?