I could lame you could lame he could lame we could lame you could lame they could lame
V-ing form
I could be laming you could be laming he could be laming we could be laming you could be laming they could be laming
Perfect
I could have lamed you could have lamed he could have lamed we could have lamed you could have lamed they could have lamed
V-ing perfect
I could have been laming you could have been laming he could have been laming we could have been laming you could have been laming they could have been laming
Negation
Simple form
I could not lame you could not lame he could not lame we could not lame you could not lame they could not lame
V-ing form
I could not be laming you could not be laming he could not be laming we could not be laming you could not be laming they could not be laming
Perfect
I could not have lamed you could not have lamed he could not have lamed we could not have lamed you could not have lamed they could not have lamed
V-ing perfect
I could not have been laming you could not have been laming he could not have been laming we could not have been laming you could not have been laming they could not have been laming
Interrogative form
Simple form
could I lame? could you lame? could he lame? could we lame? could you lame? could they lame?
V-ing form
could I be laming? could you be laming? could he be laming? could we be laming? could you be laming? could they be laming?
Perfect
could I have lamed? could you have lamed? could he have lamed? could we have lamed? could you have lamed? could they have lamed?
V-ing perfect
could I have been laming? could you have been laming? could he have been laming? could we have been laming? could you have been laming? could they have been laming?
Interro-negative form
Simple form
could I not lame? could you not lame? could he not lame? could we not lame? could you not lame? could they not lame?
V-ing form
could I not be laming? could you not be laming? could he not be laming? could we not be laming? could you not be laming? could they not be laming?
Perfect
could I not have lamed? could you not have lamed? could he not have lamed? could we not have lamed? could you not have lamed? could they not have lamed?
V-ing perfect
could I not have been laming? could you not have been laming? could he not have been laming? could we not have been laming? could you not have been laming? could they not have been laming?