must lame
Regular verb: lame - lamed- lamed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must lame
you must lame
he must lame
we must lame
you must lame
they must lame 	I must be laming
you must be laming
he must be laming
we must be laming
you must be laming
they must be laming	I must have lamed
you must have lamed
he must have lamed
we must have lamed
you must have lamed
they must have lamed	I must have been laming
you must have been laming
he must have been laming
we must have been laming
you must have been laming
they must have been laming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't lame
you mustn't lame
he mustn't lame
we mustn't lame
you mustn't lame
they mustn't lame 	I mustn't be laming
you mustn't be laming
he mustn't be laming
we mustn't be laming
you mustn't be laming
they mustn't be laming	I mustn't have lamed
you mustn't have lamed
he mustn't have lamed
we mustn't have lamed
you mustn't have lamed
they mustn't have lamed	I mustn't have been laming
you mustn't have been laming
he mustn't have been laming
we mustn't have been laming
you mustn't have been laming
they mustn't have been laming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I lame?
must you lame?
must he lame?
must we lame?
must you lame?
must they lame? 	must I be laming?
must you be laming?
must he be laming?
must we be laming?
must you be laming?
must they be laming? 	must I have lamed?
must you have lamed?
must he have lamed?
must we have lamed?
must you have lamed?
must they have lamed? 	must I have been laming?
must you have been laming?
must he have been laming?
must we have been laming?
must you have been laming?
must they have been laming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I lame?
mustn't you lame?
mustn't he lame?
mustn't we lame?
mustn't you lame?
mustn't they lame? 	mustn't I be laming?
mustn't you be laming?
mustn't he be laming?
mustn't we be laming?
mustn't you be laming?
mustn't they be laming? 	mustn't I have lamed?
mustn't you have lamed?
mustn't he have lamed?
mustn't we have lamed?
mustn't you have lamed?
mustn't they have lamed? 	mustn't I have been laming?
mustn't you have been laming?
mustn't he have been laming?
mustn't we have been laming?
mustn't you have been laming?
mustn't they have been laming?