must leech
Regular verb: leech - leeched- leeched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must leech
you must leech
he must leech
we must leech
you must leech
they must leech 	I must be leeching
you must be leeching
he must be leeching
we must be leeching
you must be leeching
they must be leeching	I must have leeched
you must have leeched
he must have leeched
we must have leeched
you must have leeched
they must have leeched	I must have been leeching
you must have been leeching
he must have been leeching
we must have been leeching
you must have been leeching
they must have been leeching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't leech
you mustn't leech
he mustn't leech
we mustn't leech
you mustn't leech
they mustn't leech 	I mustn't be leeching
you mustn't be leeching
he mustn't be leeching
we mustn't be leeching
you mustn't be leeching
they mustn't be leeching	I mustn't have leeched
you mustn't have leeched
he mustn't have leeched
we mustn't have leeched
you mustn't have leeched
they mustn't have leeched	I mustn't have been leeching
you mustn't have been leeching
he mustn't have been leeching
we mustn't have been leeching
you mustn't have been leeching
they mustn't have been leeching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I leech?
must you leech?
must he leech?
must we leech?
must you leech?
must they leech? 	must I be leeching?
must you be leeching?
must he be leeching?
must we be leeching?
must you be leeching?
must they be leeching? 	must I have leeched?
must you have leeched?
must he have leeched?
must we have leeched?
must you have leeched?
must they have leeched? 	must I have been leeching?
must you have been leeching?
must he have been leeching?
must we have been leeching?
must you have been leeching?
must they have been leeching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I leech?
mustn't you leech?
mustn't he leech?
mustn't we leech?
mustn't you leech?
mustn't they leech? 	mustn't I be leeching?
mustn't you be leeching?
mustn't he be leeching?
mustn't we be leeching?
mustn't you be leeching?
mustn't they be leeching? 	mustn't I have leeched?
mustn't you have leeched?
mustn't he have leeched?
mustn't we have leeched?
mustn't you have leeched?
mustn't they have leeched? 	mustn't I have been leeching?
mustn't you have been leeching?
mustn't he have been leeching?
mustn't we have been leeching?
mustn't you have been leeching?
mustn't they have been leeching?