must quarantine
Verbo regular: quarantine - quarantined- quarantined

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must quarantine
you must quarantine
he must quarantine
we must quarantine
you must quarantine
they must quarantine 	I must be quarantining
you must be quarantining
he must be quarantining
we must be quarantining
you must be quarantining
they must be quarantining	I must have quarantined
you must have quarantined
he must have quarantined
we must have quarantined
you must have quarantined
they must have quarantined	I must have been quarantining
you must have been quarantining
he must have been quarantining
we must have been quarantining
you must have been quarantining
they must have been quarantining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't quarantine
you mustn't quarantine
he mustn't quarantine
we mustn't quarantine
you mustn't quarantine
they mustn't quarantine 	I mustn't be quarantining
you mustn't be quarantining
he mustn't be quarantining
we mustn't be quarantining
you mustn't be quarantining
they mustn't be quarantining	I mustn't have quarantined
you mustn't have quarantined
he mustn't have quarantined
we mustn't have quarantined
you mustn't have quarantined
they mustn't have quarantined	I mustn't have been quarantining
you mustn't have been quarantining
he mustn't have been quarantining
we mustn't have been quarantining
you mustn't have been quarantining
they mustn't have been quarantining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I quarantine?
must you quarantine?
must he quarantine?
must we quarantine?
must you quarantine?
must they quarantine? 	must I be quarantining?
must you be quarantining?
must he be quarantining?
must we be quarantining?
must you be quarantining?
must they be quarantining? 	must I have quarantined?
must you have quarantined?
must he have quarantined?
must we have quarantined?
must you have quarantined?
must they have quarantined? 	must I have been quarantining?
must you have been quarantining?
must he have been quarantining?
must we have been quarantining?
must you have been quarantining?
must they have been quarantining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I quarantine?
mustn't you quarantine?
mustn't he quarantine?
mustn't we quarantine?
mustn't you quarantine?
mustn't they quarantine? 	mustn't I be quarantining?
mustn't you be quarantining?
mustn't he be quarantining?
mustn't we be quarantining?
mustn't you be quarantining?
mustn't they be quarantining? 	mustn't I have quarantined?
mustn't you have quarantined?
mustn't he have quarantined?
mustn't we have quarantined?
mustn't you have quarantined?
mustn't they have quarantined? 	mustn't I have been quarantining?
mustn't you have been quarantining?
mustn't he have been quarantining?
mustn't we have been quarantining?
mustn't you have been quarantining?
mustn't they have been quarantining?