Conjugação do verbo inglês
COULD RETRAIN

Verbo regular: retrain - retrained - retrained

Afirmação

Forma simple	Forma com V-ing
I could retrain you could retrain he could retrain we could retrain you could retrain they could retrain	I could be retraining you could be retraining he could be retraining we could be retraining you could be retraining they could be retraining
Perfeito	Perfeito com V-ing
I could have retrained you could have retrained he could have retrained we could have retrained you could have retrained they could have retrained	I could have been retraining you could have been retraining he could have been retraining we could have been retraining you could have been retraining they could have been retraining

Negação

Forma simple	Forma com V-ing
I couldn't retrain you couldn't retrain he couldn't retrain we couldn't retrain you couldn't retrain they couldn't retrain	I couldn't be retraining you couldn't be retraining he couldn't be retraining we couldn't be retraining you couldn't be retraining they couldn't be retraining
Perfeito	Perfeito com V-ing
I couldn't have retrained you couldn't have retrained he couldn't have retrained we couldn't have retrained you couldn't have retrained they couldn't have retrained	I couldn't have been retraining you couldn't have been retraining he couldn't have been retraining we couldn't have been retraining you couldn't have been retraining they couldn't have been retraining

Forma interrogativa

Forma simple	Forma com V-ing
could I retrain? could you retrain? could he retrain? could we retrain? could you retrain? could they retrain?	could I be retraining? could you be retraining? could he be retraining? could we be retraining? could you be retraining? could they be retraining?
Perfeito	Perfeito com V-ing
could I have retrained? could you have retrained? could he have retrained? could we have retrained? could you have retrained? could they have retrained?	could I have been retraining? could you have been retraining? could he have been retraining? could we have been retraining? could you have been retraining? could they have been retraining?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I retrain? couldn't you retrain? couldn't he retrain? couldn't we retrain? couldn't you retrain? couldn't they retrain?	couldn't I be retraining? couldn't you be retraining? couldn't he be retraining? couldn't we be retraining? couldn't you be retraining? couldn't they be retraining?
Perfeito	Perfeito com V-ing
couldn't I have retrained? couldn't you have retrained? couldn't he have retrained? couldn't we have retrained? couldn't you have retrained? couldn't they have retrained?	couldn't I have been retraining? couldn't you have been retraining? couldn't he have been retraining? couldn't we have been retraining? couldn't you have been retraining? couldn't they have been retraining?