must stray
Verbo regular: stray - strayed- strayed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must stray
you must stray
he must stray
we must stray
you must stray
they must stray 	I must be straying
you must be straying
he must be straying
we must be straying
you must be straying
they must be straying	I must have strayed
you must have strayed
he must have strayed
we must have strayed
you must have strayed
they must have strayed	I must have been straying
you must have been straying
he must have been straying
we must have been straying
you must have been straying
they must have been straying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not stray
you must not stray
he must not stray
we must not stray
you must not stray
they must not stray 	I must not be straying
you must not be straying
he must not be straying
we must not be straying
you must not be straying
they must not be straying	I must not have strayed
you must not have strayed
he must not have strayed
we must not have strayed
you must not have strayed
they must not have strayed	I must not have been straying
you must not have been straying
he must not have been straying
we must not have been straying
you must not have been straying
they must not have been straying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I stray?
must you stray?
must he stray?
must we stray?
must you stray?
must they stray? 	must I be straying?
must you be straying?
must he be straying?
must we be straying?
must you be straying?
must they be straying? 	must I have strayed?
must you have strayed?
must he have strayed?
must we have strayed?
must you have strayed?
must they have strayed? 	must I have been straying?
must you have been straying?
must he have been straying?
must we have been straying?
must you have been straying?
must they have been straying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not stray?
must you not stray?
must he not stray?
must we not stray?
must you not stray?
must they not stray? 	must I not be straying?
must you not be straying?
must he not be straying?
must we not be straying?
must you not be straying?
must they not be straying? 	must I not have strayed?
must you not have strayed?
must he not have strayed?
must we not have strayed?
must you not have strayed?
must they not have strayed? 	must I not have been straying?
must you not have been straying?
must he not have been straying?
must we not have been straying?
must you not have been straying?
must they not have been straying?