must lame
Regular verb: lame - lamed- lamed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must lame
you must lame
she must lame
we must lame
you must lame
they must lame 	I must be laming
you must be laming
she must be laming
we must be laming
you must be laming
they must be laming	I must have lamed
you must have lamed
she 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
she 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
she 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
she 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
she 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
she 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 she lame?
must we lame?
must you lame?
must they lame? 	must I be laming?
must you be laming?
must she be laming?
must we be laming?
must you be laming?
must they be laming? 	must I have lamed?
must you have lamed?
must she 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 she 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 she 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 she 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 she 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 she have been laming?
mustn't we have been laming?
mustn't you have been laming?
mustn't they have been laming?