must pall
Regular verb: pall - palled- palled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must pall
you must pall
he must pall
we must pall
you must pall
they must pall 	I must be palling
you must be palling
he must be palling
we must be palling
you must be palling
they must be palling	I must have palled
you must have palled
he must have palled
we must have palled
you must have palled
they must have palled	I must have been palling
you must have been palling
he must have been palling
we must have been palling
you must have been palling
they must have been palling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't pall
you mustn't pall
he mustn't pall
we mustn't pall
you mustn't pall
they mustn't pall 	I mustn't be palling
you mustn't be palling
he mustn't be palling
we mustn't be palling
you mustn't be palling
they mustn't be palling	I mustn't have palled
you mustn't have palled
he mustn't have palled
we mustn't have palled
you mustn't have palled
they mustn't have palled	I mustn't have been palling
you mustn't have been palling
he mustn't have been palling
we mustn't have been palling
you mustn't have been palling
they mustn't have been palling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I pall?
must you pall?
must he pall?
must we pall?
must you pall?
must they pall? 	must I be palling?
must you be palling?
must he be palling?
must we be palling?
must you be palling?
must they be palling? 	must I have palled?
must you have palled?
must he have palled?
must we have palled?
must you have palled?
must they have palled? 	must I have been palling?
must you have been palling?
must he have been palling?
must we have been palling?
must you have been palling?
must they have been palling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I pall?
mustn't you pall?
mustn't he pall?
mustn't we pall?
mustn't you pall?
mustn't they pall? 	mustn't I be palling?
mustn't you be palling?
mustn't he be palling?
mustn't we be palling?
mustn't you be palling?
mustn't they be palling? 	mustn't I have palled?
mustn't you have palled?
mustn't he have palled?
mustn't we have palled?
mustn't you have palled?
mustn't they have palled? 	mustn't I have been palling?
mustn't you have been palling?
mustn't he have been palling?
mustn't we have been palling?
mustn't you have been palling?
mustn't they have been palling?