must foui
Verbo regular: foui - fouied- fouied

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must foui
you must foui
he must foui
we must foui
you must foui
they must foui 	I must be fouiing
you must be fouiing
he must be fouiing
we must be fouiing
you must be fouiing
they must be fouiing	I must have fouied
you must have fouied
he must have fouied
we must have fouied
you must have fouied
they must have fouied	I must have been fouiing
you must have been fouiing
he must have been fouiing
we must have been fouiing
you must have been fouiing
they must have been fouiing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't foui
you mustn't foui
he mustn't foui
we mustn't foui
you mustn't foui
they mustn't foui 	I mustn't be fouiing
you mustn't be fouiing
he mustn't be fouiing
we mustn't be fouiing
you mustn't be fouiing
they mustn't be fouiing	I mustn't have fouied
you mustn't have fouied
he mustn't have fouied
we mustn't have fouied
you mustn't have fouied
they mustn't have fouied	I mustn't have been fouiing
you mustn't have been fouiing
he mustn't have been fouiing
we mustn't have been fouiing
you mustn't have been fouiing
they mustn't have been fouiing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I foui?
must you foui?
must he foui?
must we foui?
must you foui?
must they foui? 	must I be fouiing?
must you be fouiing?
must he be fouiing?
must we be fouiing?
must you be fouiing?
must they be fouiing? 	must I have fouied?
must you have fouied?
must he have fouied?
must we have fouied?
must you have fouied?
must they have fouied? 	must I have been fouiing?
must you have been fouiing?
must he have been fouiing?
must we have been fouiing?
must you have been fouiing?
must they have been fouiing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I foui?
mustn't you foui?
mustn't he foui?
mustn't we foui?
mustn't you foui?
mustn't they foui? 	mustn't I be fouiing?
mustn't you be fouiing?
mustn't he be fouiing?
mustn't we be fouiing?
mustn't you be fouiing?
mustn't they be fouiing? 	mustn't I have fouied?
mustn't you have fouied?
mustn't he have fouied?
mustn't we have fouied?
mustn't you have fouied?
mustn't they have fouied? 	mustn't I have been fouiing?
mustn't you have been fouiing?
mustn't he have been fouiing?
mustn't we have been fouiing?
mustn't you have been fouiing?
mustn't they have been fouiing?