I can occlude you can occlude he can occlude we can occlude you can occlude they can occlude
V-ing form
I can be occluding you can be occluding he can be occluding we can be occluding you can be occluding they can be occluding
Perfect
I can have occluded you can have occluded he can have occluded we can have occluded you can have occluded they can have occluded
V-ing perfect
I can have been occluding you can have been occluding he can have been occluding we can have been occluding you can have been occluding they can have been occluding
Negation
Simple form
I cannot occlude you cannot occlude he cannot occlude we cannot occlude you cannot occlude they cannot occlude
V-ing form
I cannot be occluding you cannot be occluding he cannot be occluding we cannot be occluding you cannot be occluding they cannot be occluding
Perfect
I cannot have occluded you cannot have occluded he cannot have occluded we cannot have occluded you cannot have occluded they cannot have occluded
V-ing perfect
I cannot have been occluding you cannot have been occluding he cannot have been occluding we cannot have been occluding you cannot have been occluding they cannot have been occluding
Interrogative form
Simple form
can I occlude? can you occlude? can he occlude? can we occlude? can you occlude? can they occlude?
V-ing form
can I be occluding? can you be occluding? can he be occluding? can we be occluding? can you be occluding? can they be occluding?
Perfect
can I have occluded? can you have occluded? can he have occluded? can we have occluded? can you have occluded? can they have occluded?
V-ing perfect
can I have been occluding? can you have been occluding? can he have been occluding? can we have been occluding? can you have been occluding? can they have been occluding?
Interro-negative form
Simple form
can I not occlude? can you not occlude? can he not occlude? can we not occlude? can you not occlude? can they not occlude?
V-ing form
can I not be occluding? can you not be occluding? can he not be occluding? can we not be occluding? can you not be occluding? can they not be occluding?
Perfect
can I not have occluded? can you not have occluded? can he not have occluded? can we not have occluded? can you not have occluded? can they not have occluded?
V-ing perfect
can I not have been occluding? can you not have been occluding? can he not have been occluding? can we not have been occluding? can you not have been occluding? can they not have been occluding?