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