I could lame you could lame she could lame we could lame you could lame they could lame
V-ing form
I could be laming you could be laming she could be laming we could be laming you could be laming they could be laming
Perfect
I could have lamed you could have lamed she 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 she could have been laming we could have been laming you could have been laming they could have been laming
Negation
Simple form
I couldn't lame you couldn't lame she couldn't lame we couldn't lame you couldn't lame they couldn't lame
V-ing form
I couldn't be laming you couldn't be laming she couldn't be laming we couldn't be laming you couldn't be laming they couldn't be laming
Perfect
I couldn't have lamed you couldn't have lamed she couldn't have lamed we couldn't have lamed you couldn't have lamed they couldn't have lamed
V-ing perfect
I couldn't have been laming you couldn't have been laming she couldn't have been laming we couldn't have been laming you couldn't have been laming they couldn't have been laming
Interrogative form
Simple form
could I lame? could you lame? could she lame? could we lame? could you lame? could they lame?
V-ing form
could I be laming? could you be laming? could she be laming? could we be laming? could you be laming? could they be laming?
Perfect
could I have lamed? could you have lamed? could she 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 she have been laming? could we have been laming? could you have been laming? could they have been laming?
Interro-negative form
Simple form
couldn't I lame? couldn't you lame? couldn't she lame? couldn't we lame? couldn't you lame? couldn't they lame?
V-ing form
couldn't I be laming? couldn't you be laming? couldn't she be laming? couldn't we be laming? couldn't you be laming? couldn't they be laming?
Perfect
couldn't I have lamed? couldn't you have lamed? couldn't she have lamed? couldn't we have lamed? couldn't you have lamed? couldn't they have lamed?
V-ing perfect
couldn't I have been laming? couldn't you have been laming? couldn't she have been laming? couldn't we have been laming? couldn't you have been laming? couldn't they have been laming?