I can detour you can detour he can detour we can detour you can detour they can detour
V-ing form
I can be detouring you can be detouring he can be detouring we can be detouring you can be detouring they can be detouring
Perfect
I can have detoured you can have detoured he can have detoured we can have detoured you can have detoured they can have detoured
V-ing perfect
I can have been detouring you can have been detouring he can have been detouring we can have been detouring you can have been detouring they can have been detouring
Negation
Simple form
I can't detour you can't detour he can't detour we can't detour you can't detour they can't detour
V-ing form
I can't be detouring you can't be detouring he can't be detouring we can't be detouring you can't be detouring they can't be detouring
Perfect
I can't have detoured you can't have detoured he can't have detoured we can't have detoured you can't have detoured they can't have detoured
V-ing perfect
I can't have been detouring you can't have been detouring he can't have been detouring we can't have been detouring you can't have been detouring they can't have been detouring
Interrogative form
Simple form
can I detour? can you detour? can he detour? can we detour? can you detour? can they detour?
V-ing form
can I be detouring? can you be detouring? can he be detouring? can we be detouring? can you be detouring? can they be detouring?
Perfect
can I have detoured? can you have detoured? can he have detoured? can we have detoured? can you have detoured? can they have detoured?
V-ing perfect
can I have been detouring? can you have been detouring? can he have been detouring? can we have been detouring? can you have been detouring? can they have been detouring?
Interro-negative form
Simple form
can't I detour? can't you detour? can't he detour? can't we detour? can't you detour? can't they detour?
V-ing form
can't I be detouring? can't you be detouring? can't he be detouring? can't we be detouring? can't you be detouring? can't they be detouring?
Perfect
can't I have detoured? can't you have detoured? can't he have detoured? can't we have detoured? can't you have detoured? can't they have detoured?
V-ing perfect
can't I have been detouring? can't you have been detouring? can't he have been detouring? can't we have been detouring? can't you have been detouring? can't they have been detouring?