English verb conjugation
COULD SKI SKI

Regular verb: ski ski - ski skied - ski skied

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could ski ski you could ski ski he could ski ski we could ski ski you could ski ski they could ski ski	I could be ski skiing you could be ski skiing he could be ski skiing we could be ski skiing you could be ski skiing they could be ski skiing
Perfect	V-ing perfect
I could have ski skied you could have ski skied he could have ski skied we could have ski skied you could have ski skied they could have ski skied	I could have been ski skiing you could have been ski skiing he could have been ski skiing we could have been ski skiing you could have been ski skiing they could have been ski skiing

Negation

Simple form	V-ing form
I could not ski ski you could not ski ski he could not ski ski we could not ski ski you could not ski ski they could not ski ski	I could not be ski skiing you could not be ski skiing he could not be ski skiing we could not be ski skiing you could not be ski skiing they could not be ski skiing
Perfect	V-ing perfect
I could not have ski skied you could not have ski skied he could not have ski skied we could not have ski skied you could not have ski skied they could not have ski skied	I could not have been ski skiing you could not have been ski skiing he could not have been ski skiing we could not have been ski skiing you could not have been ski skiing they could not have been ski skiing

Interrogative form

Simple form	V-ing form
could I ski ski? could you ski ski? could he ski ski? could we ski ski? could you ski ski? could they ski ski?	could I be ski skiing? could you be ski skiing? could he be ski skiing? could we be ski skiing? could you be ski skiing? could they be ski skiing?
Perfect	V-ing perfect
could I have ski skied? could you have ski skied? could he have ski skied? could we have ski skied? could you have ski skied? could they have ski skied?	could I have been ski skiing? could you have been ski skiing? could he have been ski skiing? could we have been ski skiing? could you have been ski skiing? could they have been ski skiing?

Interro-negative form

Simple form	V-ing form
could I not ski ski? could you not ski ski? could he not ski ski? could we not ski ski? could you not ski ski? could they not ski ski?	could I not be ski skiing? could you not be ski skiing? could he not be ski skiing? could we not be ski skiing? could you not be ski skiing? could they not be ski skiing?
Perfect	V-ing perfect
could I not have ski skied? could you not have ski skied? could he not have ski skied? could we not have ski skied? could you not have ski skied? could they not have ski skied?	could I not have been ski skiing? could you not have been ski skiing? could he not have been ski skiing? could we not have been ski skiing? could you not have been ski skiing? could they not have been ski skiing?