I could coacervate you could coacervate he could coacervate we could coacervate you could coacervate they could coacervate
V-ing form
I could be coacervating you could be coacervating he could be coacervating we could be coacervating you could be coacervating they could be coacervating
Perfect
I could have coacervated you could have coacervated he could have coacervated we could have coacervated you could have coacervated they could have coacervated
V-ing perfect
I could have been coacervating you could have been coacervating he could have been coacervating we could have been coacervating you could have been coacervating they could have been coacervating
Negation
Simple form
I could not coacervate you could not coacervate he could not coacervate we could not coacervate you could not coacervate they could not coacervate
V-ing form
I could not be coacervating you could not be coacervating he could not be coacervating we could not be coacervating you could not be coacervating they could not be coacervating
Perfect
I could not have coacervated you could not have coacervated he could not have coacervated we could not have coacervated you could not have coacervated they could not have coacervated
V-ing perfect
I could not have been coacervating you could not have been coacervating he could not have been coacervating we could not have been coacervating you could not have been coacervating they could not have been coacervating
Interrogative form
Simple form
could I coacervate? could you coacervate? could he coacervate? could we coacervate? could you coacervate? could they coacervate?
V-ing form
could I be coacervating? could you be coacervating? could he be coacervating? could we be coacervating? could you be coacervating? could they be coacervating?
Perfect
could I have coacervated? could you have coacervated? could he have coacervated? could we have coacervated? could you have coacervated? could they have coacervated?
V-ing perfect
could I have been coacervating? could you have been coacervating? could he have been coacervating? could we have been coacervating? could you have been coacervating? could they have been coacervating?
Interro-negative form
Simple form
could I not coacervate? could you not coacervate? could he not coacervate? could we not coacervate? could you not coacervate? could they not coacervate?
V-ing form
could I not be coacervating? could you not be coacervating? could he not be coacervating? could we not be coacervating? could you not be coacervating? could they not be coacervating?
Perfect
could I not have coacervated? could you not have coacervated? could he not have coacervated? could we not have coacervated? could you not have coacervated? could they not have coacervated?
V-ing perfect
could I not have been coacervating? could you not have been coacervating? could he not have been coacervating? could we not have been coacervating? could you not have been coacervating? could they not have been coacervating?