must wassail
Verbo regular: wassail - wassailed- wassailed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must wassail
you must wassail
he must wassail
we must wassail
you must wassail
they must wassail 	I must be wassailing
you must be wassailing
he must be wassailing
we must be wassailing
you must be wassailing
they must be wassailing	I must have wassailed
you must have wassailed
he must have wassailed
we must have wassailed
you must have wassailed
they must have wassailed	I must have been wassailing
you must have been wassailing
he must have been wassailing
we must have been wassailing
you must have been wassailing
they must have been wassailing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not wassail
you must not wassail
he must not wassail
we must not wassail
you must not wassail
they must not wassail 	I must not be wassailing
you must not be wassailing
he must not be wassailing
we must not be wassailing
you must not be wassailing
they must not be wassailing	I must not have wassailed
you must not have wassailed
he must not have wassailed
we must not have wassailed
you must not have wassailed
they must not have wassailed	I must not have been wassailing
you must not have been wassailing
he must not have been wassailing
we must not have been wassailing
you must not have been wassailing
they must not have been wassailing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I wassail?
must you wassail?
must he wassail?
must we wassail?
must you wassail?
must they wassail? 	must I be wassailing?
must you be wassailing?
must he be wassailing?
must we be wassailing?
must you be wassailing?
must they be wassailing? 	must I have wassailed?
must you have wassailed?
must he have wassailed?
must we have wassailed?
must you have wassailed?
must they have wassailed? 	must I have been wassailing?
must you have been wassailing?
must he have been wassailing?
must we have been wassailing?
must you have been wassailing?
must they have been wassailing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not wassail?
must you not wassail?
must he not wassail?
must we not wassail?
must you not wassail?
must they not wassail? 	must I not be wassailing?
must you not be wassailing?
must he not be wassailing?
must we not be wassailing?
must you not be wassailing?
must they not be wassailing? 	must I not have wassailed?
must you not have wassailed?
must he not have wassailed?
must we not have wassailed?
must you not have wassailed?
must they not have wassailed? 	must I not have been wassailing?
must you not have been wassailing?
must he not have been wassailing?
must we not have been wassailing?
must you not have been wassailing?
must they not have been wassailing?