English verb conjugation
COULD EXEMPLIFY

Regular verb: exemplify - exemplified - exemplified

Affirmation

Simple form	V-ing form
I could exemplify you could exemplify he could exemplify we could exemplify you could exemplify they could exemplify	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	V-ing 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	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	V-ing form
I couldn't exemplify you couldn't exemplify he couldn't exemplify we couldn't exemplify you couldn't exemplify they couldn't exemplify	I couldn't be exemplifying you couldn't be exemplifying he couldn't be exemplifying we couldn't be exemplifying you couldn't be exemplifying they couldn't be exemplifying
Perfect	V-ing perfect
I couldn't have exemplified you couldn't have exemplified he couldn't have exemplified we couldn't have exemplified you couldn't have exemplified they couldn't have exemplified	I couldn't have been exemplifying you couldn't have been exemplifying he couldn't have been exemplifying we couldn't have been exemplifying you couldn't have been exemplifying they couldn't have been exemplifying

Interrogative form

Simple form	V-ing form
could I exemplify? could you exemplify? could he exemplify? could we exemplify? could you exemplify? could they exemplify?	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	V-ing 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?	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	V-ing form
couldn't I exemplify? couldn't you exemplify? couldn't he exemplify? couldn't we exemplify? couldn't you exemplify? couldn't they exemplify?	couldn't I be exemplifying? couldn't you be exemplifying? couldn't he be exemplifying? couldn't we be exemplifying? couldn't you be exemplifying? couldn't they be exemplifying?
Perfect	V-ing perfect
couldn't I have exemplified? couldn't you have exemplified? couldn't he have exemplified? couldn't we have exemplified? couldn't you have exemplified? couldn't they have exemplified?	couldn't I have been exemplifying? couldn't you have been exemplifying? couldn't he have been exemplifying? couldn't we have been exemplifying? couldn't you have been exemplifying? couldn't they have been exemplifying?