must vomit
Verbo regular: vomit - vomited- vomited

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must vomit
you must vomit
he must vomit
we must vomit
you must vomit
they must vomit 	I must be vomiting
you must be vomiting
he must be vomiting
we must be vomiting
you must be vomiting
they must be vomiting	I must have vomited
you must have vomited
he must have vomited
we must have vomited
you must have vomited
they must have vomited	I must have been vomiting
you must have been vomiting
he must have been vomiting
we must have been vomiting
you must have been vomiting
they must have been vomiting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't vomit
you mustn't vomit
he mustn't vomit
we mustn't vomit
you mustn't vomit
they mustn't vomit 	I mustn't be vomiting
you mustn't be vomiting
he mustn't be vomiting
we mustn't be vomiting
you mustn't be vomiting
they mustn't be vomiting	I mustn't have vomited
you mustn't have vomited
he mustn't have vomited
we mustn't have vomited
you mustn't have vomited
they mustn't have vomited	I mustn't have been vomiting
you mustn't have been vomiting
he mustn't have been vomiting
we mustn't have been vomiting
you mustn't have been vomiting
they mustn't have been vomiting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I vomit?
must you vomit?
must he vomit?
must we vomit?
must you vomit?
must they vomit? 	must I be vomiting?
must you be vomiting?
must he be vomiting?
must we be vomiting?
must you be vomiting?
must they be vomiting? 	must I have vomited?
must you have vomited?
must he have vomited?
must we have vomited?
must you have vomited?
must they have vomited? 	must I have been vomiting?
must you have been vomiting?
must he have been vomiting?
must we have been vomiting?
must you have been vomiting?
must they have been vomiting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I vomit?
mustn't you vomit?
mustn't he vomit?
mustn't we vomit?
mustn't you vomit?
mustn't they vomit? 	mustn't I be vomiting?
mustn't you be vomiting?
mustn't he be vomiting?
mustn't we be vomiting?
mustn't you be vomiting?
mustn't they be vomiting? 	mustn't I have vomited?
mustn't you have vomited?
mustn't he have vomited?
mustn't we have vomited?
mustn't you have vomited?
mustn't they have vomited? 	mustn't I have been vomiting?
mustn't you have been vomiting?
mustn't he have been vomiting?
mustn't we have been vomiting?
mustn't you have been vomiting?
mustn't they have been vomiting?