must lull
Regular verb: lull - lulled- lulled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must lull
you must lull
she must lull
we must lull
you must lull
they must lull 	I must be lulling
you must be lulling
she must be lulling
we must be lulling
you must be lulling
they must be lulling	I must have lulled
you must have lulled
she must have lulled
we must have lulled
you must have lulled
they must have lulled	I must have been lulling
you must have been lulling
she must have been lulling
we must have been lulling
you must have been lulling
they must have been lulling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't lull
you mustn't lull
she mustn't lull
we mustn't lull
you mustn't lull
they mustn't lull 	I mustn't be lulling
you mustn't be lulling
she mustn't be lulling
we mustn't be lulling
you mustn't be lulling
they mustn't be lulling	I mustn't have lulled
you mustn't have lulled
she mustn't have lulled
we mustn't have lulled
you mustn't have lulled
they mustn't have lulled	I mustn't have been lulling
you mustn't have been lulling
she mustn't have been lulling
we mustn't have been lulling
you mustn't have been lulling
they mustn't have been lulling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I lull?
must you lull?
must she lull?
must we lull?
must you lull?
must they lull? 	must I be lulling?
must you be lulling?
must she be lulling?
must we be lulling?
must you be lulling?
must they be lulling? 	must I have lulled?
must you have lulled?
must she have lulled?
must we have lulled?
must you have lulled?
must they have lulled? 	must I have been lulling?
must you have been lulling?
must she have been lulling?
must we have been lulling?
must you have been lulling?
must they have been lulling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I lull?
mustn't you lull?
mustn't she lull?
mustn't we lull?
mustn't you lull?
mustn't they lull? 	mustn't I be lulling?
mustn't you be lulling?
mustn't she be lulling?
mustn't we be lulling?
mustn't you be lulling?
mustn't they be lulling? 	mustn't I have lulled?
mustn't you have lulled?
mustn't she have lulled?
mustn't we have lulled?
mustn't you have lulled?
mustn't they have lulled? 	mustn't I have been lulling?
mustn't you have been lulling?
mustn't she have been lulling?
mustn't we have been lulling?
mustn't you have been lulling?
mustn't they have been lulling?