I could lampoon you could lampoon he could lampoon we could lampoon you could lampoon they could lampoon
V-ing form
I could be lampooning you could be lampooning he could be lampooning we could be lampooning you could be lampooning they could be lampooning
Perfect
I could have lampooned you could have lampooned he could have lampooned we could have lampooned you could have lampooned they could have lampooned
V-ing perfect
I could have been lampooning you could have been lampooning he could have been lampooning we could have been lampooning you could have been lampooning they could have been lampooning
Negation
Simple form
I couldn't lampoon you couldn't lampoon he couldn't lampoon we couldn't lampoon you couldn't lampoon they couldn't lampoon
V-ing form
I couldn't be lampooning you couldn't be lampooning he couldn't be lampooning we couldn't be lampooning you couldn't be lampooning they couldn't be lampooning
Perfect
I couldn't have lampooned you couldn't have lampooned he couldn't have lampooned we couldn't have lampooned you couldn't have lampooned they couldn't have lampooned
V-ing perfect
I couldn't have been lampooning you couldn't have been lampooning he couldn't have been lampooning we couldn't have been lampooning you couldn't have been lampooning they couldn't have been lampooning
Interrogative form
Simple form
could I lampoon? could you lampoon? could he lampoon? could we lampoon? could you lampoon? could they lampoon?
V-ing form
could I be lampooning? could you be lampooning? could he be lampooning? could we be lampooning? could you be lampooning? could they be lampooning?
Perfect
could I have lampooned? could you have lampooned? could he have lampooned? could we have lampooned? could you have lampooned? could they have lampooned?
V-ing perfect
could I have been lampooning? could you have been lampooning? could he have been lampooning? could we have been lampooning? could you have been lampooning? could they have been lampooning?
Interro-negative form
Simple form
couldn't I lampoon? couldn't you lampoon? couldn't he lampoon? couldn't we lampoon? couldn't you lampoon? couldn't they lampoon?
V-ing form
couldn't I be lampooning? couldn't you be lampooning? couldn't he be lampooning? couldn't we be lampooning? couldn't you be lampooning? couldn't they be lampooning?
Perfect
couldn't I have lampooned? couldn't you have lampooned? couldn't he have lampooned? couldn't we have lampooned? couldn't you have lampooned? couldn't they have lampooned?
V-ing perfect
couldn't I have been lampooning? couldn't you have been lampooning? couldn't he have been lampooning? couldn't we have been lampooning? couldn't you have been lampooning? couldn't they have been lampooning?