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 couldn't overhaul you couldn't overhaul he couldn't overhaul we couldn't overhaul you couldn't overhaul they couldn't overhaul	I couldn't be overhauling you couldn't be overhauling he couldn't be overhauling we couldn't be overhauling you couldn't be overhauling they couldn't be overhauling
Perfect	V-ing perfect
I couldn't have overhauled you couldn't have overhauled he couldn't have overhauled we couldn't have overhauled you couldn't have overhauled they couldn't have overhauled	I couldn't have been overhauling you couldn't have been overhauling he couldn't have been overhauling we couldn't have been overhauling you couldn't have been overhauling they couldn't 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
couldn't I overhaul? couldn't you overhaul? couldn't he overhaul? couldn't we overhaul? couldn't you overhaul? couldn't they overhaul?	couldn't I be overhauling? couldn't you be overhauling? couldn't he be overhauling? couldn't we be overhauling? couldn't you be overhauling? couldn't they be overhauling?
Perfect	V-ing perfect
couldn't I have overhauled? couldn't you have overhauled? couldn't he have overhauled? couldn't we have overhauled? couldn't you have overhauled? couldn't they have overhauled?	couldn't I have been overhauling? couldn't you have been overhauling? couldn't he have been overhauling? couldn't we have been overhauling? couldn't you have been overhauling? couldn't they have been overhauling?