could mercerise mercerise
Regular verb: mercerise mercerise - mercerise mercerised- mercerise mercerised

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could mercerise mercerise
you could mercerise mercerise
she could mercerise mercerise
we could mercerise mercerise
you could mercerise mercerise
they could mercerise mercerise 	I could be mercerise mercerising
you could be mercerise mercerising
she could be mercerise mercerising
we could be mercerise mercerising
you could be mercerise mercerising
they could be mercerise mercerising	I could have mercerise mercerised
you could have mercerise mercerised
she could have mercerise mercerised
we could have mercerise mercerised
you could have mercerise mercerised
they could have mercerise mercerised	I could have been mercerise mercerising
you could have been mercerise mercerising
she could have been mercerise mercerising
we could have been mercerise mercerising
you could have been mercerise mercerising
they could have been mercerise mercerising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't mercerise mercerise
you couldn't mercerise mercerise
she couldn't mercerise mercerise
we couldn't mercerise mercerise
you couldn't mercerise mercerise
they couldn't mercerise mercerise 	I couldn't be mercerise mercerising
you couldn't be mercerise mercerising
she couldn't be mercerise mercerising
we couldn't be mercerise mercerising
you couldn't be mercerise mercerising
they couldn't be mercerise mercerising	I couldn't have mercerise mercerised
you couldn't have mercerise mercerised
she couldn't have mercerise mercerised
we couldn't have mercerise mercerised
you couldn't have mercerise mercerised
they couldn't have mercerise mercerised	I couldn't have been mercerise mercerising
you couldn't have been mercerise mercerising
she couldn't have been mercerise mercerising
we couldn't have been mercerise mercerising
you couldn't have been mercerise mercerising
they couldn't have been mercerise mercerising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I mercerise mercerise?
could you mercerise mercerise?
could she mercerise mercerise?
could we mercerise mercerise?
could you mercerise mercerise?
could they mercerise mercerise? 	could I be mercerise mercerising?
could you be mercerise mercerising?
could she be mercerise mercerising?
could we be mercerise mercerising?
could you be mercerise mercerising?
could they be mercerise mercerising? 	could I have mercerise mercerised?
could you have mercerise mercerised?
could she have mercerise mercerised?
could we have mercerise mercerised?
could you have mercerise mercerised?
could they have mercerise mercerised? 	could I have been mercerise mercerising?
could you have been mercerise mercerising?
could she have been mercerise mercerising?
could we have been mercerise mercerising?
could you have been mercerise mercerising?
could they have been mercerise mercerising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I mercerise mercerise?
couldn't you mercerise mercerise?
couldn't she mercerise mercerise?
couldn't we mercerise mercerise?
couldn't you mercerise mercerise?
couldn't they mercerise mercerise? 	couldn't I be mercerise mercerising?
couldn't you be mercerise mercerising?
couldn't she be mercerise mercerising?
couldn't we be mercerise mercerising?
couldn't you be mercerise mercerising?
couldn't they be mercerise mercerising? 	couldn't I have mercerise mercerised?
couldn't you have mercerise mercerised?
couldn't she have mercerise mercerised?
couldn't we have mercerise mercerised?
couldn't you have mercerise mercerised?
couldn't they have mercerise mercerised? 	couldn't I have been mercerise mercerising?
couldn't you have been mercerise mercerising?
couldn't she have been mercerise mercerising?
couldn't we have been mercerise mercerising?
couldn't you have been mercerise mercerising?
couldn't they have been mercerise mercerising?