must expense
Verbo regular: expense - expensed- expensed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must expense
you must expense
he must expense
we must expense
you must expense
they must expense 	I must be expensing
you must be expensing
he must be expensing
we must be expensing
you must be expensing
they must be expensing	I must have expensed
you must have expensed
he must have expensed
we must have expensed
you must have expensed
they must have expensed	I must have been expensing
you must have been expensing
he must have been expensing
we must have been expensing
you must have been expensing
they must have been expensing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't expense
you mustn't expense
he mustn't expense
we mustn't expense
you mustn't expense
they mustn't expense 	I mustn't be expensing
you mustn't be expensing
he mustn't be expensing
we mustn't be expensing
you mustn't be expensing
they mustn't be expensing	I mustn't have expensed
you mustn't have expensed
he mustn't have expensed
we mustn't have expensed
you mustn't have expensed
they mustn't have expensed	I mustn't have been expensing
you mustn't have been expensing
he mustn't have been expensing
we mustn't have been expensing
you mustn't have been expensing
they mustn't have been expensing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I expense?
must you expense?
must he expense?
must we expense?
must you expense?
must they expense? 	must I be expensing?
must you be expensing?
must he be expensing?
must we be expensing?
must you be expensing?
must they be expensing? 	must I have expensed?
must you have expensed?
must he have expensed?
must we have expensed?
must you have expensed?
must they have expensed? 	must I have been expensing?
must you have been expensing?
must he have been expensing?
must we have been expensing?
must you have been expensing?
must they have been expensing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I expense?
mustn't you expense?
mustn't he expense?
mustn't we expense?
mustn't you expense?
mustn't they expense? 	mustn't I be expensing?
mustn't you be expensing?
mustn't he be expensing?
mustn't we be expensing?
mustn't you be expensing?
mustn't they be expensing? 	mustn't I have expensed?
mustn't you have expensed?
mustn't he have expensed?
mustn't we have expensed?
mustn't you have expensed?
mustn't they have expensed? 	mustn't I have been expensing?
mustn't you have been expensing?
mustn't he have been expensing?
mustn't we have been expensing?
mustn't you have been expensing?
mustn't they have been expensing?