must pal
Verbo regular: pal - palled- palled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must pal
you must pal
he must pal
we must pal
you must pal
they must pal 	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't pal
you mustn't pal
he 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
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	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I pal?
must you pal?
must he pal?
must we pal?
must you pal?
must they pal? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I pal?
mustn't you pal?
mustn't he 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 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?