must lose
Verbo irregular: lose - lost- lost

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must lose
you must lose
she must lose
we must lose
you must lose
they must lose 	I must be losing
you must be losing
she must be losing
we must be losing
you must be losing
they must be losing	I must have lost
you must have lost
she must have lost
we must have lost
you must have lost
they must have lost	I must have been losing
you must have been losing
she must have been losing
we must have been losing
you must have been losing
they must have been losing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not lose
you must not lose
she must not lose
we must not lose
you must not lose
they must not lose 	I must not be losing
you must not be losing
she must not be losing
we must not be losing
you must not be losing
they must not be losing	I must not have lost
you must not have lost
she must not have lost
we must not have lost
you must not have lost
they must not have lost	I must not have been losing
you must not have been losing
she must not have been losing
we must not have been losing
you must not have been losing
they must not have been losing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I lose?
must you lose?
must she lose?
must we lose?
must you lose?
must they lose? 	must I be losing?
must you be losing?
must she be losing?
must we be losing?
must you be losing?
must they be losing? 	must I have lost?
must you have lost?
must she have lost?
must we have lost?
must you have lost?
must they have lost? 	must I have been losing?
must you have been losing?
must she have been losing?
must we have been losing?
must you have been losing?
must they have been losing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not lose?
must you not lose?
must she not lose?
must we not lose?
must you not lose?
must they not lose? 	must I not be losing?
must you not be losing?
must she not be losing?
must we not be losing?
must you not be losing?
must they not be losing? 	must I not have lost?
must you not have lost?
must she not have lost?
must we not have lost?
must you not have lost?
must they not have lost? 	must I not have been losing?
must you not have been losing?
must she not have been losing?
must we not have been losing?
must you not have been losing?
must they not have been losing?