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 can't succour you can't succour he can't succour we can't succour you can't succour they can't succour
V-ing form
I can't be succouring you can't be succouring he can't be succouring we can't be succouring you can't be succouring they can't be succouring
Perfect
I can't have succoured you can't have succoured he can't have succoured we can't have succoured you can't have succoured they can't have succoured
V-ing perfect
I can't have been succouring you can't have been succouring he can't have been succouring we can't have been succouring you can't have been succouring they can't 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't I succour? can't you succour? can't he succour? can't we succour? can't you succour? can't they succour?
V-ing form
can't I be succouring? can't you be succouring? can't he be succouring? can't we be succouring? can't you be succouring? can't they be succouring?
Perfect
can't I have succoured? can't you have succoured? can't he have succoured? can't we have succoured? can't you have succoured? can't they have succoured?
V-ing perfect
can't I have been succouring? can't you have been succouring? can't he have been succouring? can't we have been succouring? can't you have been succouring? can't they have been succouring?