must lollygag
Regular verb: lollygag - lollygaged- lollygaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must lollygag
you must lollygag
he must lollygag
we must lollygag
you must lollygag
they must lollygag 	I must be lollygaging
you must be lollygaging
he must be lollygaging
we must be lollygaging
you must be lollygaging
they must be lollygaging	I must have lollygaged
you must have lollygaged
he must have lollygaged
we must have lollygaged
you must have lollygaged
they must have lollygaged	I must have been lollygaging
you must have been lollygaging
he must have been lollygaging
we must have been lollygaging
you must have been lollygaging
they must have been lollygaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't lollygag
you mustn't lollygag
he mustn't lollygag
we mustn't lollygag
you mustn't lollygag
they mustn't lollygag 	I mustn't be lollygaging
you mustn't be lollygaging
he mustn't be lollygaging
we mustn't be lollygaging
you mustn't be lollygaging
they mustn't be lollygaging	I mustn't have lollygaged
you mustn't have lollygaged
he mustn't have lollygaged
we mustn't have lollygaged
you mustn't have lollygaged
they mustn't have lollygaged	I mustn't have been lollygaging
you mustn't have been lollygaging
he mustn't have been lollygaging
we mustn't have been lollygaging
you mustn't have been lollygaging
they mustn't have been lollygaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I lollygag?
must you lollygag?
must he lollygag?
must we lollygag?
must you lollygag?
must they lollygag? 	must I be lollygaging?
must you be lollygaging?
must he be lollygaging?
must we be lollygaging?
must you be lollygaging?
must they be lollygaging? 	must I have lollygaged?
must you have lollygaged?
must he have lollygaged?
must we have lollygaged?
must you have lollygaged?
must they have lollygaged? 	must I have been lollygaging?
must you have been lollygaging?
must he have been lollygaging?
must we have been lollygaging?
must you have been lollygaging?
must they have been lollygaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I lollygag?
mustn't you lollygag?
mustn't he lollygag?
mustn't we lollygag?
mustn't you lollygag?
mustn't they lollygag? 	mustn't I be lollygaging?
mustn't you be lollygaging?
mustn't he be lollygaging?
mustn't we be lollygaging?
mustn't you be lollygaging?
mustn't they be lollygaging? 	mustn't I have lollygaged?
mustn't you have lollygaged?
mustn't he have lollygaged?
mustn't we have lollygaged?
mustn't you have lollygaged?
mustn't they have lollygaged? 	mustn't I have been lollygaging?
mustn't you have been lollygaging?
mustn't he have been lollygaging?
mustn't we have been lollygaging?
mustn't you have been lollygaging?
mustn't they have been lollygaging?