I could ski you could ski she could ski we could ski you could ski they could ski
Form mit V-ing
I could be skiing you could be skiing she could be skiing we could be skiing you could be skiing they could be skiing
Perfekt
I could have skied you could have skied she could have skied we could have skied you could have skied they could have skied
Perfekt mit V-ing
I could have been skiing you could have been skiing she could have been skiing we could have been skiing you could have been skiing they could have been skiing
Negation
Einfache Form
I could not ski you could not ski she could not ski we could not ski you could not ski they could not ski
Form mit V-ing
I could not be skiing you could not be skiing she could not be skiing we could not be skiing you could not be skiing they could not be skiing
Perfekt
I could not have skied you could not have skied she could not have skied we could not have skied you could not have skied they could not have skied
Perfekt mit V-ing
I could not have been skiing you could not have been skiing she could not have been skiing we could not have been skiing you could not have been skiing they could not have been skiing
Fragende Form
Einfache Form
could I ski? could you ski? could she ski? could we ski? could you ski? could they ski?
Form mit V-ing
could I be skiing? could you be skiing? could she be skiing? could we be skiing? could you be skiing? could they be skiing?
Perfekt
could I have skied? could you have skied? could she have skied? could we have skied? could you have skied? could they have skied?
Perfekt mit V-ing
could I have been skiing? could you have been skiing? could she have been skiing? could we have been skiing? could you have been skiing? could they have been skiing?
Fragende Negation Form
Einfache Form
could I not ski? could you not ski? could she not ski? could we not ski? could you not ski? could they not ski?
Form mit V-ing
could I not be skiing? could you not be skiing? could she not be skiing? could we not be skiing? could you not be skiing? could they not be skiing?
Perfekt
could I not have skied? could you not have skied? could she not have skied? could we not have skied? could you not have skied? could they not have skied?
Perfekt mit V-ing
could I not have been skiing? could you not have been skiing? could she not have been skiing? could we not have been skiing? could you not have been skiing? could they not have been skiing?