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