could horse-trade
Regular verb: horse-trade - horse-traded- horse-traded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could horse-trade
you could horse-trade
he could horse-trade
we could horse-trade
you could horse-trade
they could horse-trade 	I could be horse-trading
you could be horse-trading
he could be horse-trading
we could be horse-trading
you could be horse-trading
they could be horse-trading	I could have horse-traded
you could have horse-traded
he could have horse-traded
we could have horse-traded
you could have horse-traded
they could have horse-traded	I could have been horse-trading
you could have been horse-trading
he could have been horse-trading
we could have been horse-trading
you could have been horse-trading
they could have been horse-trading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not horse-trade
you could not horse-trade
he could not horse-trade
we could not horse-trade
you could not horse-trade
they could not horse-trade 	I could not be horse-trading
you could not be horse-trading
he could not be horse-trading
we could not be horse-trading
you could not be horse-trading
they could not be horse-trading	I could not have horse-traded
you could not have horse-traded
he could not have horse-traded
we could not have horse-traded
you could not have horse-traded
they could not have horse-traded	I could not have been horse-trading
you could not have been horse-trading
he could not have been horse-trading
we could not have been horse-trading
you could not have been horse-trading
they could not have been horse-trading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I horse-trade?
could you horse-trade?
could he horse-trade?
could we horse-trade?
could you horse-trade?
could they horse-trade? 	could I be horse-trading?
could you be horse-trading?
could he be horse-trading?
could we be horse-trading?
could you be horse-trading?
could they be horse-trading? 	could I have horse-traded?
could you have horse-traded?
could he have horse-traded?
could we have horse-traded?
could you have horse-traded?
could they have horse-traded? 	could I have been horse-trading?
could you have been horse-trading?
could he have been horse-trading?
could we have been horse-trading?
could you have been horse-trading?
could they have been horse-trading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not horse-trade?
could you not horse-trade?
could he not horse-trade?
could we not horse-trade?
could you not horse-trade?
could they not horse-trade? 	could I not be horse-trading?
could you not be horse-trading?
could he not be horse-trading?
could we not be horse-trading?
could you not be horse-trading?
could they not be horse-trading? 	could I not have horse-traded?
could you not have horse-traded?
could he not have horse-traded?
could we not have horse-traded?
could you not have horse-traded?
could they not have horse-traded? 	could I not have been horse-trading?
could you not have been horse-trading?
could he not have been horse-trading?
could we not have been horse-trading?
could you not have been horse-trading?
could they not have been horse-trading?