could exhibit
Regular verb: exhibit - exhibited- exhibited

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