English verb conjugation
COULD OCCLUDE

Regular verb: occlude - occluded - occluded

Affirmation

Simple form	V-ing form
I could occlude you could occlude he could occlude we could occlude you could occlude they could occlude	I could be occluding you could be occluding he could be occluding we could be occluding you could be occluding they could be occluding
Perfect	V-ing perfect
I could have occluded you could have occluded he could have occluded we could have occluded you could have occluded they could have occluded	I could have been occluding you could have been occluding he could have been occluding we could have been occluding you could have been occluding they could have been occluding

Negation

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

Interrogative form

Simple form	V-ing form
could I occlude? could you occlude? could he occlude? could we occlude? could you occlude? could they occlude?	could I be occluding? could you be occluding? could he be occluding? could we be occluding? could you be occluding? could they be occluding?
Perfect	V-ing perfect
could I have occluded? could you have occluded? could he have occluded? could we have occluded? could you have occluded? could they have occluded?	could I have been occluding? could you have been occluding? could he have been occluding? could we have been occluding? could you have been occluding? could they have been occluding?

Interro-negative form

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