must enthuse
Verbo regular: enthuse - enthused- enthused

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must enthuse
you must enthuse
he must enthuse
we must enthuse
you must enthuse
they must enthuse 	I must be enthusing
you must be enthusing
he must be enthusing
we must be enthusing
you must be enthusing
they must be enthusing	I must have enthused
you must have enthused
he must have enthused
we must have enthused
you must have enthused
they must have enthused	I must have been enthusing
you must have been enthusing
he must have been enthusing
we must have been enthusing
you must have been enthusing
they must have been enthusing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't enthuse
you mustn't enthuse
he mustn't enthuse
we mustn't enthuse
you mustn't enthuse
they mustn't enthuse 	I mustn't be enthusing
you mustn't be enthusing
he mustn't be enthusing
we mustn't be enthusing
you mustn't be enthusing
they mustn't be enthusing	I mustn't have enthused
you mustn't have enthused
he mustn't have enthused
we mustn't have enthused
you mustn't have enthused
they mustn't have enthused	I mustn't have been enthusing
you mustn't have been enthusing
he mustn't have been enthusing
we mustn't have been enthusing
you mustn't have been enthusing
they mustn't have been enthusing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I enthuse?
must you enthuse?
must he enthuse?
must we enthuse?
must you enthuse?
must they enthuse? 	must I be enthusing?
must you be enthusing?
must he be enthusing?
must we be enthusing?
must you be enthusing?
must they be enthusing? 	must I have enthused?
must you have enthused?
must he have enthused?
must we have enthused?
must you have enthused?
must they have enthused? 	must I have been enthusing?
must you have been enthusing?
must he have been enthusing?
must we have been enthusing?
must you have been enthusing?
must they have been enthusing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I enthuse?
mustn't you enthuse?
mustn't he enthuse?
mustn't we enthuse?
mustn't you enthuse?
mustn't they enthuse? 	mustn't I be enthusing?
mustn't you be enthusing?
mustn't he be enthusing?
mustn't we be enthusing?
mustn't you be enthusing?
mustn't they be enthusing? 	mustn't I have enthused?
mustn't you have enthused?
mustn't he have enthused?
mustn't we have enthused?
mustn't you have enthused?
mustn't they have enthused? 	mustn't I have been enthusing?
mustn't you have been enthusing?
mustn't he have been enthusing?
mustn't we have been enthusing?
mustn't you have been enthusing?
mustn't they have been enthusing?