I can coincide you can coincide she can coincide we can coincide you can coincide they can coincide
V-ing form
I can be coinciding you can be coinciding she can be coinciding we can be coinciding you can be coinciding they can be coinciding
Perfect
I can have coincided you can have coincided she can have coincided we can have coincided you can have coincided they can have coincided
V-ing perfect
I can have been coinciding you can have been coinciding she can have been coinciding we can have been coinciding you can have been coinciding they can have been coinciding
Negation
Simple form
I cannot coincide you cannot coincide she cannot coincide we cannot coincide you cannot coincide they cannot coincide
V-ing form
I cannot be coinciding you cannot be coinciding she cannot be coinciding we cannot be coinciding you cannot be coinciding they cannot be coinciding
Perfect
I cannot have coincided you cannot have coincided she cannot have coincided we cannot have coincided you cannot have coincided they cannot have coincided
V-ing perfect
I cannot have been coinciding you cannot have been coinciding she cannot have been coinciding we cannot have been coinciding you cannot have been coinciding they cannot have been coinciding
Interrogative form
Simple form
can I coincide? can you coincide? can she coincide? can we coincide? can you coincide? can they coincide?
V-ing form
can I be coinciding? can you be coinciding? can she be coinciding? can we be coinciding? can you be coinciding? can they be coinciding?
Perfect
can I have coincided? can you have coincided? can she have coincided? can we have coincided? can you have coincided? can they have coincided?
V-ing perfect
can I have been coinciding? can you have been coinciding? can she have been coinciding? can we have been coinciding? can you have been coinciding? can they have been coinciding?
Interro-negative form
Simple form
can I not coincide? can you not coincide? can she not coincide? can we not coincide? can you not coincide? can they not coincide?
V-ing form
can I not be coinciding? can you not be coinciding? can she not be coinciding? can we not be coinciding? can you not be coinciding? can they not be coinciding?
Perfect
can I not have coincided? can you not have coincided? can she not have coincided? can we not have coincided? can you not have coincided? can they not have coincided?
V-ing perfect
can I not have been coinciding? can you not have been coinciding? can she not have been coinciding? can we not have been coinciding? can you not have been coinciding? can they not have been coinciding?