must pal
Regular verb: pal - palled- palled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must pal
you must pal
she must pal
we must pal
you must pal
they must pal 	I must be palling
you must be palling
she must be palling
we must be palling
you must be palling
they must be palling	I must have palled
you must have palled
she 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
she 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 pal
you mustn't pal
she mustn't pal
we mustn't pal
you mustn't pal
they mustn't pal 	I mustn't be palling
you mustn't be palling
she 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
she 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
she 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 pal?
must you pal?
must she pal?
must we pal?
must you pal?
must they pal? 	must I be palling?
must you be palling?
must she be palling?
must we be palling?
must you be palling?
must they be palling? 	must I have palled?
must you have palled?
must she 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 she 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 pal?
mustn't you pal?
mustn't she pal?
mustn't we pal?
mustn't you pal?
mustn't they pal? 	mustn't I be palling?
mustn't you be palling?
mustn't she 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 she 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 she have been palling?
mustn't we have been palling?
mustn't you have been palling?
mustn't they have been palling?