I could intersect you could intersect he could intersect we could intersect you could intersect they could intersect
V-ing form
I could be intersecting you could be intersecting he could be intersecting we could be intersecting you could be intersecting they could be intersecting
Perfect
I could have intersected you could have intersected he 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 he 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 he 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 he 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 he 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 he 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 he intersect? could we intersect? could you intersect? could they intersect?
V-ing form
could I be intersecting? could you be intersecting? could he be intersecting? could we be intersecting? could you be intersecting? could they be intersecting?
Perfect
could I have intersected? could you have intersected? could he 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 he 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 he 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 he 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 he 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 he have been intersecting? couldn't we have been intersecting? couldn't you have been intersecting? couldn't they have been intersecting?