English verb conjugation
COULD TRAîNER

Regular verb: traîner - traînered - traînered

Affirmation

Simple form	V-ing form
I could traîner you could traîner he could traîner we could traîner you could traîner they could traîner	I could be traînering you could be traînering he could be traînering we could be traînering you could be traînering they could be traînering
Perfect	V-ing perfect
I could have traînered you could have traînered he could have traînered we could have traînered you could have traînered they could have traînered	I could have been traînering you could have been traînering he could have been traînering we could have been traînering you could have been traînering they could have been traînering

Negation

Simple form	V-ing form
I could not traîner you could not traîner he could not traîner we could not traîner you could not traîner they could not traîner	I could not be traînering you could not be traînering he could not be traînering we could not be traînering you could not be traînering they could not be traînering
Perfect	V-ing perfect
I could not have traînered you could not have traînered he could not have traînered we could not have traînered you could not have traînered they could not have traînered	I could not have been traînering you could not have been traînering he could not have been traînering we could not have been traînering you could not have been traînering they could not have been traînering

Interrogative form

Simple form	V-ing form
could I traîner? could you traîner? could he traîner? could we traîner? could you traîner? could they traîner?	could I be traînering? could you be traînering? could he be traînering? could we be traînering? could you be traînering? could they be traînering?
Perfect	V-ing perfect
could I have traînered? could you have traînered? could he have traînered? could we have traînered? could you have traînered? could they have traînered?	could I have been traînering? could you have been traînering? could he have been traînering? could we have been traînering? could you have been traînering? could they have been traînering?

Interro-negative form

Simple form	V-ing form
could I not traîner? could you not traîner? could he not traîner? could we not traîner? could you not traîner? could they not traîner?	could I not be traînering? could you not be traînering? could he not be traînering? could we not be traînering? could you not be traînering? could they not be traînering?
Perfect	V-ing perfect
could I not have traînered? could you not have traînered? could he not have traînered? could we not have traînered? could you not have traînered? could they not have traînered?	could I not have been traînering? could you not have been traînering? could he not have been traînering? could we not have been traînering? could you not have been traînering? could they not have been traînering?