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 can't occlude you can't occlude he can't occlude we can't occlude you can't occlude they can't occlude
V-ing form
I can't be occluding you can't be occluding he can't be occluding we can't be occluding you can't be occluding they can't be occluding
Perfect
I can't have occluded you can't have occluded he can't have occluded we can't have occluded you can't have occluded they can't have occluded
V-ing perfect
I can't have been occluding you can't have been occluding he can't have been occluding we can't have been occluding you can't have been occluding they can't 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't I occlude? can't you occlude? can't he occlude? can't we occlude? can't you occlude? can't they occlude?
V-ing form
can't I be occluding? can't you be occluding? can't he be occluding? can't we be occluding? can't you be occluding? can't they be occluding?
Perfect
can't I have occluded? can't you have occluded? can't he have occluded? can't we have occluded? can't you have occluded? can't they have occluded?
V-ing perfect
can't I have been occluding? can't you have been occluding? can't he have been occluding? can't we have been occluding? can't you have been occluding? can't they have been occluding?