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
she must enthuse
we must enthuse
you must enthuse
they must enthuse 	I must be enthusing
you must be enthusing
she must be enthusing
we must be enthusing
you must be enthusing
they must be enthusing	I must have enthused
you must have enthused
she 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
she 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 must not enthuse
you must not enthuse
she must not enthuse
we must not enthuse
you must not enthuse
they must not enthuse 	I must not be enthusing
you must not be enthusing
she must not be enthusing
we must not be enthusing
you must not be enthusing
they must not be enthusing	I must not have enthused
you must not have enthused
she must not have enthused
we must not have enthused
you must not have enthused
they must not have enthused	I must not have been enthusing
you must not have been enthusing
she must not have been enthusing
we must not have been enthusing
you must not have been enthusing
they must not have been enthusing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I enthuse?
must you enthuse?
must she enthuse?
must we enthuse?
must you enthuse?
must they enthuse? 	must I be enthusing?
must you be enthusing?
must she be enthusing?
must we be enthusing?
must you be enthusing?
must they be enthusing? 	must I have enthused?
must you have enthused?
must she 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 she 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 	
must I not enthuse?
must you not enthuse?
must she not enthuse?
must we not enthuse?
must you not enthuse?
must they not enthuse? 	must I not be enthusing?
must you not be enthusing?
must she not be enthusing?
must we not be enthusing?
must you not be enthusing?
must they not be enthusing? 	must I not have enthused?
must you not have enthused?
must she not have enthused?
must we not have enthused?
must you not have enthused?
must they not have enthused? 	must I not have been enthusing?
must you not have been enthusing?
must she not have been enthusing?
must we not have been enthusing?
must you not have been enthusing?
must they not have been enthusing?