must winch
Regular verb: winch - winched- winched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must winch
you must winch
he must winch
we must winch
you must winch
they must winch 	I must be winching
you must be winching
he must be winching
we must be winching
you must be winching
they must be winching	I must have winched
you must have winched
he must have winched
we must have winched
you must have winched
they must have winched	I must have been winching
you must have been winching
he must have been winching
we must have been winching
you must have been winching
they must have been winching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't winch
you mustn't winch
he mustn't winch
we mustn't winch
you mustn't winch
they mustn't winch 	I mustn't be winching
you mustn't be winching
he mustn't be winching
we mustn't be winching
you mustn't be winching
they mustn't be winching	I mustn't have winched
you mustn't have winched
he mustn't have winched
we mustn't have winched
you mustn't have winched
they mustn't have winched	I mustn't have been winching
you mustn't have been winching
he mustn't have been winching
we mustn't have been winching
you mustn't have been winching
they mustn't have been winching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I winch?
must you winch?
must he winch?
must we winch?
must you winch?
must they winch? 	must I be winching?
must you be winching?
must he be winching?
must we be winching?
must you be winching?
must they be winching? 	must I have winched?
must you have winched?
must he have winched?
must we have winched?
must you have winched?
must they have winched? 	must I have been winching?
must you have been winching?
must he have been winching?
must we have been winching?
must you have been winching?
must they have been winching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I winch?
mustn't you winch?
mustn't he winch?
mustn't we winch?
mustn't you winch?
mustn't they winch? 	mustn't I be winching?
mustn't you be winching?
mustn't he be winching?
mustn't we be winching?
mustn't you be winching?
mustn't they be winching? 	mustn't I have winched?
mustn't you have winched?
mustn't he have winched?
mustn't we have winched?
mustn't you have winched?
mustn't they have winched? 	mustn't I have been winching?
mustn't you have been winching?
mustn't he have been winching?
mustn't we have been winching?
mustn't you have been winching?
mustn't they have been winching?