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 must not lame
you must not lame
he must not lame
we must not lame
you must not lame
they must not lame 	I must not be laming
you must not be laming
he must not be laming
we must not be laming
you must not be laming
they must not be laming	I must not have lamed
you must not have lamed
he must not have lamed
we must not have lamed
you must not have lamed
they must not have lamed	I must not have been laming
you must not have been laming
he must not have been laming
we must not have been laming
you must not have been laming
they must not 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 	
must I not lame?
must you not lame?
must he not lame?
must we not lame?
must you not lame?
must they not lame? 	must I not be laming?
must you not be laming?
must he not be laming?
must we not be laming?
must you not be laming?
must they not be laming? 	must I not have lamed?
must you not have lamed?
must he not have lamed?
must we not have lamed?
must you not have lamed?
must they not have lamed? 	must I not have been laming?
must you not have been laming?
must he not have been laming?
must we not have been laming?
must you not have been laming?
must they not have been laming?