could dent
Regular verb: dent - dented- dented

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dent
you could dent
she could dent
we could dent
you could dent
they could dent 	I could be denting
you could be denting
she could be denting
we could be denting
you could be denting
they could be denting	I could have dented
you could have dented
she could have dented
we could have dented
you could have dented
they could have dented	I could have been denting
you could have been denting
she could have been denting
we could have been denting
you could have been denting
they could have been denting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not dent
you could not dent
she could not dent
we could not dent
you could not dent
they could not dent 	I could not be denting
you could not be denting
she could not be denting
we could not be denting
you could not be denting
they could not be denting	I could not have dented
you could not have dented
she could not have dented
we could not have dented
you could not have dented
they could not have dented	I could not have been denting
you could not have been denting
she could not have been denting
we could not have been denting
you could not have been denting
they could not have been denting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dent?
could you dent?
could she dent?
could we dent?
could you dent?
could they dent? 	could I be denting?
could you be denting?
could she be denting?
could we be denting?
could you be denting?
could they be denting? 	could I have dented?
could you have dented?
could she have dented?
could we have dented?
could you have dented?
could they have dented? 	could I have been denting?
could you have been denting?
could she have been denting?
could we have been denting?
could you have been denting?
could they have been denting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not dent?
could you not dent?
could she not dent?
could we not dent?
could you not dent?
could they not dent? 	could I not be denting?
could you not be denting?
could she not be denting?
could we not be denting?
could you not be denting?
could they not be denting? 	could I not have dented?
could you not have dented?
could she not have dented?
could we not have dented?
could you not have dented?
could they not have dented? 	could I not have been denting?
could you not have been denting?
could she not have been denting?
could we not have been denting?
could you not have been denting?
could they not have been denting?