must mouse
Verbo regular: mouse - moused- moused

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must mouse
you must mouse
she must mouse
we must mouse
you must mouse
they must mouse 	I must be mousing
you must be mousing
she must be mousing
we must be mousing
you must be mousing
they must be mousing	I must have moused
you must have moused
she must have moused
we must have moused
you must have moused
they must have moused	I must have been mousing
you must have been mousing
she must have been mousing
we must have been mousing
you must have been mousing
they must have been mousing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not mouse
you must not mouse
she must not mouse
we must not mouse
you must not mouse
they must not mouse 	I must not be mousing
you must not be mousing
she must not be mousing
we must not be mousing
you must not be mousing
they must not be mousing	I must not have moused
you must not have moused
she must not have moused
we must not have moused
you must not have moused
they must not have moused	I must not have been mousing
you must not have been mousing
she must not have been mousing
we must not have been mousing
you must not have been mousing
they must not have been mousing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I mouse?
must you mouse?
must she mouse?
must we mouse?
must you mouse?
must they mouse? 	must I be mousing?
must you be mousing?
must she be mousing?
must we be mousing?
must you be mousing?
must they be mousing? 	must I have moused?
must you have moused?
must she have moused?
must we have moused?
must you have moused?
must they have moused? 	must I have been mousing?
must you have been mousing?
must she have been mousing?
must we have been mousing?
must you have been mousing?
must they have been mousing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not mouse?
must you not mouse?
must she not mouse?
must we not mouse?
must you not mouse?
must they not mouse? 	must I not be mousing?
must you not be mousing?
must she not be mousing?
must we not be mousing?
must you not be mousing?
must they not be mousing? 	must I not have moused?
must you not have moused?
must she not have moused?
must we not have moused?
must you not have moused?
must they not have moused? 	must I not have been mousing?
must you not have been mousing?
must she not have been mousing?
must we not have been mousing?
must you not have been mousing?
must they not have been mousing?