Conjugación del verbo inglés
COULD FIGHT

Verbo irregular: fight - fought - fought

Afirmación

Forma simple	Forma con V-ing
I could fight you could fight she could fight we could fight you could fight they could fight	I could be fighting you could be fighting she could be fighting we could be fighting you could be fighting they could be fighting
Perfecto	Perfecto con V-ing
I could have fought you could have fought she could have fought we could have fought you could have fought they could have fought	I could have been fighting you could have been fighting she could have been fighting we could have been fighting you could have been fighting they could have been fighting

Negación

Forma simple	Forma con V-ing
I couldn't fight you couldn't fight she couldn't fight we couldn't fight you couldn't fight they couldn't fight	I couldn't be fighting you couldn't be fighting she couldn't be fighting we couldn't be fighting you couldn't be fighting they couldn't be fighting
Perfecto	Perfecto con V-ing
I couldn't have fought you couldn't have fought she couldn't have fought we couldn't have fought you couldn't have fought they couldn't have fought	I couldn't have been fighting you couldn't have been fighting she couldn't have been fighting we couldn't have been fighting you couldn't have been fighting they couldn't have been fighting

Forma interrogativa

Forma simple	Forma con V-ing
could I fight? could you fight? could she fight? could we fight? could you fight? could they fight?	could I be fighting? could you be fighting? could she be fighting? could we be fighting? could you be fighting? could they be fighting?
Perfecto	Perfecto con V-ing
could I have fought? could you have fought? could she have fought? could we have fought? could you have fought? could they have fought?	could I have been fighting? could you have been fighting? could she have been fighting? could we have been fighting? could you have been fighting? could they have been fighting?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I fight? couldn't you fight? couldn't she fight? couldn't we fight? couldn't you fight? couldn't they fight?	couldn't I be fighting? couldn't you be fighting? couldn't she be fighting? couldn't we be fighting? couldn't you be fighting? couldn't they be fighting?
Perfecto	Perfecto con V-ing
couldn't I have fought? couldn't you have fought? couldn't she have fought? couldn't we have fought? couldn't you have fought? couldn't they have fought?	couldn't I have been fighting? couldn't you have been fighting? couldn't she have been fighting? couldn't we have been fighting? couldn't you have been fighting? couldn't they have been fighting?