I can preside you can preside he can preside we can preside you can preside they can preside
V-ing form
I can be presiding you can be presiding he can be presiding we can be presiding you can be presiding they can be presiding
Perfect
I can have presided you can have presided he can have presided we can have presided you can have presided they can have presided
V-ing perfect
I can have been presiding you can have been presiding he can have been presiding we can have been presiding you can have been presiding they can have been presiding
Negation
Simple form
I cannot preside you cannot preside he cannot preside we cannot preside you cannot preside they cannot preside
V-ing form
I cannot be presiding you cannot be presiding he cannot be presiding we cannot be presiding you cannot be presiding they cannot be presiding
Perfect
I cannot have presided you cannot have presided he cannot have presided we cannot have presided you cannot have presided they cannot have presided
V-ing perfect
I cannot have been presiding you cannot have been presiding he cannot have been presiding we cannot have been presiding you cannot have been presiding they cannot have been presiding
Interrogative form
Simple form
can I preside? can you preside? can he preside? can we preside? can you preside? can they preside?
V-ing form
can I be presiding? can you be presiding? can he be presiding? can we be presiding? can you be presiding? can they be presiding?
Perfect
can I have presided? can you have presided? can he have presided? can we have presided? can you have presided? can they have presided?
V-ing perfect
can I have been presiding? can you have been presiding? can he have been presiding? can we have been presiding? can you have been presiding? can they have been presiding?
Interro-negative form
Simple form
can I not preside? can you not preside? can he not preside? can we not preside? can you not preside? can they not preside?
V-ing form
can I not be presiding? can you not be presiding? can he not be presiding? can we not be presiding? can you not be presiding? can they not be presiding?
Perfect
can I not have presided? can you not have presided? can he not have presided? can we not have presided? can you not have presided? can they not have presided?
V-ing perfect
can I not have been presiding? can you not have been presiding? can he not have been presiding? can we not have been presiding? can you not have been presiding? can they not have been presiding?