I can succour you can succour he can succour we can succour you can succour they can succour
V-ing form
I can be succouring you can be succouring he can be succouring we can be succouring you can be succouring they can be succouring
Perfect
I can have succoured you can have succoured he can have succoured we can have succoured you can have succoured they can have succoured
V-ing perfect
I can have been succouring you can have been succouring he can have been succouring we can have been succouring you can have been succouring they can have been succouring
Negation
Simple form
I cannot succour you cannot succour he cannot succour we cannot succour you cannot succour they cannot succour
V-ing form
I cannot be succouring you cannot be succouring he cannot be succouring we cannot be succouring you cannot be succouring they cannot be succouring
Perfect
I cannot have succoured you cannot have succoured he cannot have succoured we cannot have succoured you cannot have succoured they cannot have succoured
V-ing perfect
I cannot have been succouring you cannot have been succouring he cannot have been succouring we cannot have been succouring you cannot have been succouring they cannot have been succouring
Interrogative form
Simple form
can I succour? can you succour? can he succour? can we succour? can you succour? can they succour?
V-ing form
can I be succouring? can you be succouring? can he be succouring? can we be succouring? can you be succouring? can they be succouring?
Perfect
can I have succoured? can you have succoured? can he have succoured? can we have succoured? can you have succoured? can they have succoured?
V-ing perfect
can I have been succouring? can you have been succouring? can he have been succouring? can we have been succouring? can you have been succouring? can they have been succouring?
Interro-negative form
Simple form
can I not succour? can you not succour? can he not succour? can we not succour? can you not succour? can they not succour?
V-ing form
can I not be succouring? can you not be succouring? can he not be succouring? can we not be succouring? can you not be succouring? can they not be succouring?
Perfect
can I not have succoured? can you not have succoured? can he not have succoured? can we not have succoured? can you not have succoured? can they not have succoured?
V-ing perfect
can I not have been succouring? can you not have been succouring? can he not have been succouring? can we not have been succouring? can you not have been succouring? can they not have been succouring?