must letch
Regular verb: letch - letched- letched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must letch
you must letch
she must letch
we must letch
you must letch
they must letch 	I must be letching
you must be letching
she must be letching
we must be letching
you must be letching
they must be letching	I must have letched
you must have letched
she must have letched
we must have letched
you must have letched
they must have letched	I must have been letching
you must have been letching
she must have been letching
we must have been letching
you must have been letching
they must have been letching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't letch
you mustn't letch
she mustn't letch
we mustn't letch
you mustn't letch
they mustn't letch 	I mustn't be letching
you mustn't be letching
she mustn't be letching
we mustn't be letching
you mustn't be letching
they mustn't be letching	I mustn't have letched
you mustn't have letched
she mustn't have letched
we mustn't have letched
you mustn't have letched
they mustn't have letched	I mustn't have been letching
you mustn't have been letching
she mustn't have been letching
we mustn't have been letching
you mustn't have been letching
they mustn't have been letching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I letch?
must you letch?
must she letch?
must we letch?
must you letch?
must they letch? 	must I be letching?
must you be letching?
must she be letching?
must we be letching?
must you be letching?
must they be letching? 	must I have letched?
must you have letched?
must she have letched?
must we have letched?
must you have letched?
must they have letched? 	must I have been letching?
must you have been letching?
must she have been letching?
must we have been letching?
must you have been letching?
must they have been letching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I letch?
mustn't you letch?
mustn't she letch?
mustn't we letch?
mustn't you letch?
mustn't they letch? 	mustn't I be letching?
mustn't you be letching?
mustn't she be letching?
mustn't we be letching?
mustn't you be letching?
mustn't they be letching? 	mustn't I have letched?
mustn't you have letched?
mustn't she have letched?
mustn't we have letched?
mustn't you have letched?
mustn't they have letched? 	mustn't I have been letching?
mustn't you have been letching?
mustn't she have been letching?
mustn't we have been letching?
mustn't you have been letching?
mustn't they have been letching?