must vomit
Verbo regular: vomit - vomited- vomited

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not vomit
you must not vomit
he must not vomit
we must not vomit
you must not vomit
they must not vomit 	I must not be vomiting
you must not be vomiting
he must not be vomiting
we must not be vomiting
you must not be vomiting
they must not be vomiting	I must not have vomited
you must not have vomited
he must not have vomited
we must not have vomited
you must not have vomited
they must not have vomited	I must not have been vomiting
you must not have been vomiting
he must not have been vomiting
we must not have been vomiting
you must not have been vomiting
they must not have been vomiting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not vomit?
must you not vomit?
must he not vomit?
must we not vomit?
must you not vomit?
must they not vomit? 	must I not be vomiting?
must you not be vomiting?
must he not be vomiting?
must we not be vomiting?
must you not be vomiting?
must they not be vomiting? 	must I not have vomited?
must you not have vomited?
must he not have vomited?
must we not have vomited?
must you not have vomited?
must they not have vomited? 	must I not have been vomiting?
must you not have been vomiting?
must he not have been vomiting?
must we not have been vomiting?
must you not have been vomiting?
must they not have been vomiting?