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