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