English verb conjugation
COULD EXHIBIT

Regular verb: exhibit - exhibited - exhibited

Affirmation

Simple form	V-ing form
I could exhibit you could exhibit he could exhibit we could exhibit you could exhibit they could exhibit	I could be exhibiting you could be exhibiting he could be exhibiting we could be exhibiting you could be exhibiting they could be exhibiting
Perfect	V-ing perfect
I could have exhibited you could have exhibited he could have exhibited we could have exhibited you could have exhibited they could have exhibited	I could have been exhibiting you could have been exhibiting he could have been exhibiting we could have been exhibiting you could have been exhibiting they could have been exhibiting

Negation

Simple form	V-ing form
I couldn't exhibit you couldn't exhibit he couldn't exhibit we couldn't exhibit you couldn't exhibit they couldn't exhibit	I couldn't be exhibiting you couldn't be exhibiting he couldn't be exhibiting we couldn't be exhibiting you couldn't be exhibiting they couldn't be exhibiting
Perfect	V-ing perfect
I couldn't have exhibited you couldn't have exhibited he couldn't have exhibited we couldn't have exhibited you couldn't have exhibited they couldn't have exhibited	I couldn't have been exhibiting you couldn't have been exhibiting he couldn't have been exhibiting we couldn't have been exhibiting you couldn't have been exhibiting they couldn't have been exhibiting

Interrogative form

Simple form	V-ing form
could I exhibit? could you exhibit? could he exhibit? could we exhibit? could you exhibit? could they exhibit?	could I be exhibiting? could you be exhibiting? could he be exhibiting? could we be exhibiting? could you be exhibiting? could they be exhibiting?
Perfect	V-ing perfect
could I have exhibited? could you have exhibited? could he have exhibited? could we have exhibited? could you have exhibited? could they have exhibited?	could I have been exhibiting? could you have been exhibiting? could he have been exhibiting? could we have been exhibiting? could you have been exhibiting? could they have been exhibiting?

Interro-negative form

Simple form	V-ing form
couldn't I exhibit? couldn't you exhibit? couldn't he exhibit? couldn't we exhibit? couldn't you exhibit? couldn't they exhibit?	couldn't I be exhibiting? couldn't you be exhibiting? couldn't he be exhibiting? couldn't we be exhibiting? couldn't you be exhibiting? couldn't they be exhibiting?
Perfect	V-ing perfect
couldn't I have exhibited? couldn't you have exhibited? couldn't he have exhibited? couldn't we have exhibited? couldn't you have exhibited? couldn't they have exhibited?	couldn't I have been exhibiting? couldn't you have been exhibiting? couldn't he have been exhibiting? couldn't we have been exhibiting? couldn't you have been exhibiting? couldn't they have been exhibiting?