could dechlorinate
Regular verb: dechlorinate - dechlorinated- dechlorinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dechlorinate
you could dechlorinate
she could dechlorinate
we could dechlorinate
you could dechlorinate
they could dechlorinate 	I could be dechlorinating
you could be dechlorinating
she could be dechlorinating
we could be dechlorinating
you could be dechlorinating
they could be dechlorinating	I could have dechlorinated
you could have dechlorinated
she could have dechlorinated
we could have dechlorinated
you could have dechlorinated
they could have dechlorinated	I could have been dechlorinating
you could have been dechlorinating
she could have been dechlorinating
we could have been dechlorinating
you could have been dechlorinating
they could have been dechlorinating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't dechlorinate
you couldn't dechlorinate
she couldn't dechlorinate
we couldn't dechlorinate
you couldn't dechlorinate
they couldn't dechlorinate 	I couldn't be dechlorinating
you couldn't be dechlorinating
she couldn't be dechlorinating
we couldn't be dechlorinating
you couldn't be dechlorinating
they couldn't be dechlorinating	I couldn't have dechlorinated
you couldn't have dechlorinated
she couldn't have dechlorinated
we couldn't have dechlorinated
you couldn't have dechlorinated
they couldn't have dechlorinated	I couldn't have been dechlorinating
you couldn't have been dechlorinating
she couldn't have been dechlorinating
we couldn't have been dechlorinating
you couldn't have been dechlorinating
they couldn't have been dechlorinating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dechlorinate?
could you dechlorinate?
could she dechlorinate?
could we dechlorinate?
could you dechlorinate?
could they dechlorinate? 	could I be dechlorinating?
could you be dechlorinating?
could she be dechlorinating?
could we be dechlorinating?
could you be dechlorinating?
could they be dechlorinating? 	could I have dechlorinated?
could you have dechlorinated?
could she have dechlorinated?
could we have dechlorinated?
could you have dechlorinated?
could they have dechlorinated? 	could I have been dechlorinating?
could you have been dechlorinating?
could she have been dechlorinating?
could we have been dechlorinating?
could you have been dechlorinating?
could they have been dechlorinating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I dechlorinate?
couldn't you dechlorinate?
couldn't she dechlorinate?
couldn't we dechlorinate?
couldn't you dechlorinate?
couldn't they dechlorinate? 	couldn't I be dechlorinating?
couldn't you be dechlorinating?
couldn't she be dechlorinating?
couldn't we be dechlorinating?
couldn't you be dechlorinating?
couldn't they be dechlorinating? 	couldn't I have dechlorinated?
couldn't you have dechlorinated?
couldn't she have dechlorinated?
couldn't we have dechlorinated?
couldn't you have dechlorinated?
couldn't they have dechlorinated? 	couldn't I have been dechlorinating?
couldn't you have been dechlorinating?
couldn't she have been dechlorinating?
couldn't we have been dechlorinating?
couldn't you have been dechlorinating?
couldn't they have been dechlorinating?