could overhaul
Verbo regular: overhaul - overhauled- overhauled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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?