I could exemplify you could exemplify he could exemplify we could exemplify you could exemplify they could exemplify
V-ing form
I could be exemplifying you could be exemplifying he could be exemplifying we could be exemplifying you could be exemplifying they could be exemplifying
Perfect
I could have exemplified you could have exemplified he could have exemplified we could have exemplified you could have exemplified they could have exemplified
V-ing perfect
I could have been exemplifying you could have been exemplifying he could have been exemplifying we could have been exemplifying you could have been exemplifying they could have been exemplifying
Negation
Simple form
I could not exemplify you could not exemplify he could not exemplify we could not exemplify you could not exemplify they could not exemplify
V-ing form
I could not be exemplifying you could not be exemplifying he could not be exemplifying we could not be exemplifying you could not be exemplifying they could not be exemplifying
Perfect
I could not have exemplified you could not have exemplified he could not have exemplified we could not have exemplified you could not have exemplified they could not have exemplified
V-ing perfect
I could not have been exemplifying you could not have been exemplifying he could not have been exemplifying we could not have been exemplifying you could not have been exemplifying they could not have been exemplifying
Interrogative form
Simple form
could I exemplify? could you exemplify? could he exemplify? could we exemplify? could you exemplify? could they exemplify?
V-ing form
could I be exemplifying? could you be exemplifying? could he be exemplifying? could we be exemplifying? could you be exemplifying? could they be exemplifying?
Perfect
could I have exemplified? could you have exemplified? could he have exemplified? could we have exemplified? could you have exemplified? could they have exemplified?
V-ing perfect
could I have been exemplifying? could you have been exemplifying? could he have been exemplifying? could we have been exemplifying? could you have been exemplifying? could they have been exemplifying?
Interro-negative form
Simple form
could I not exemplify? could you not exemplify? could he not exemplify? could we not exemplify? could you not exemplify? could they not exemplify?
V-ing form
could I not be exemplifying? could you not be exemplifying? could he not be exemplifying? could we not be exemplifying? could you not be exemplifying? could they not be exemplifying?
Perfect
could I not have exemplified? could you not have exemplified? could he not have exemplified? could we not have exemplified? could you not have exemplified? could they not have exemplified?
V-ing perfect
could I not have been exemplifying? could you not have been exemplifying? could he not have been exemplifying? could we not have been exemplifying? could you not have been exemplifying? could they not have been exemplifying?