must sty
Verbo regular: sty - stied- stied

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must sty
you must sty
she must sty
we must sty
you must sty
they must sty 	I must be stying
you must be stying
she must be stying
we must be stying
you must be stying
they must be stying	I must have stied
you must have stied
she must have stied
we must have stied
you must have stied
they must have stied	I must have been stying
you must have been stying
she must have been stying
we must have been stying
you must have been stying
they must have been stying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not sty
you must not sty
she must not sty
we must not sty
you must not sty
they must not sty 	I must not be stying
you must not be stying
she must not be stying
we must not be stying
you must not be stying
they must not be stying	I must not have stied
you must not have stied
she must not have stied
we must not have stied
you must not have stied
they must not have stied	I must not have been stying
you must not have been stying
she must not have been stying
we must not have been stying
you must not have been stying
they must not have been stying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I sty?
must you sty?
must she sty?
must we sty?
must you sty?
must they sty? 	must I be stying?
must you be stying?
must she be stying?
must we be stying?
must you be stying?
must they be stying? 	must I have stied?
must you have stied?
must she have stied?
must we have stied?
must you have stied?
must they have stied? 	must I have been stying?
must you have been stying?
must she have been stying?
must we have been stying?
must you have been stying?
must they have been stying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not sty?
must you not sty?
must she not sty?
must we not sty?
must you not sty?
must they not sty? 	must I not be stying?
must you not be stying?
must she not be stying?
must we not be stying?
must you not be stying?
must they not be stying? 	must I not have stied?
must you not have stied?
must she not have stied?
must we not have stied?
must you not have stied?
must they not have stied? 	must I not have been stying?
must you not have been stying?
must she not have been stying?
must we not have been stying?
must you not have been stying?
must they not have been stying?