must co-opt
Regular verb: co-opt - co-opted- co-opted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must co-opt
you must co-opt
she must co-opt
we must co-opt
you must co-opt
they must co-opt 	I must be co-opting
you must be co-opting
she must be co-opting
we must be co-opting
you must be co-opting
they must be co-opting	I must have co-opted
you must have co-opted
she must have co-opted
we must have co-opted
you must have co-opted
they must have co-opted	I must have been co-opting
you must have been co-opting
she must have been co-opting
we must have been co-opting
you must have been co-opting
they must have been co-opting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't co-opt
you mustn't co-opt
she mustn't co-opt
we mustn't co-opt
you mustn't co-opt
they mustn't co-opt 	I mustn't be co-opting
you mustn't be co-opting
she mustn't be co-opting
we mustn't be co-opting
you mustn't be co-opting
they mustn't be co-opting	I mustn't have co-opted
you mustn't have co-opted
she mustn't have co-opted
we mustn't have co-opted
you mustn't have co-opted
they mustn't have co-opted	I mustn't have been co-opting
you mustn't have been co-opting
she mustn't have been co-opting
we mustn't have been co-opting
you mustn't have been co-opting
they mustn't have been co-opting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I co-opt?
must you co-opt?
must she co-opt?
must we co-opt?
must you co-opt?
must they co-opt? 	must I be co-opting?
must you be co-opting?
must she be co-opting?
must we be co-opting?
must you be co-opting?
must they be co-opting? 	must I have co-opted?
must you have co-opted?
must she have co-opted?
must we have co-opted?
must you have co-opted?
must they have co-opted? 	must I have been co-opting?
must you have been co-opting?
must she have been co-opting?
must we have been co-opting?
must you have been co-opting?
must they have been co-opting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I co-opt?
mustn't you co-opt?
mustn't she co-opt?
mustn't we co-opt?
mustn't you co-opt?
mustn't they co-opt? 	mustn't I be co-opting?
mustn't you be co-opting?
mustn't she be co-opting?
mustn't we be co-opting?
mustn't you be co-opting?
mustn't they be co-opting? 	mustn't I have co-opted?
mustn't you have co-opted?
mustn't she have co-opted?
mustn't we have co-opted?
mustn't you have co-opted?
mustn't they have co-opted? 	mustn't I have been co-opting?
mustn't you have been co-opting?
mustn't she have been co-opting?
mustn't we have been co-opting?
mustn't you have been co-opting?
mustn't they have been co-opting?