must delay
Verbo regular: delay - delayed- delayed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must delay
you must delay
she must delay
we must delay
you must delay
they must delay 	I must be delaying
you must be delaying
she must be delaying
we must be delaying
you must be delaying
they must be delaying	I must have delayed
you must have delayed
she must have delayed
we must have delayed
you must have delayed
they must have delayed	I must have been delaying
you must have been delaying
she must have been delaying
we must have been delaying
you must have been delaying
they must have been delaying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't delay
you mustn't delay
she mustn't delay
we mustn't delay
you mustn't delay
they mustn't delay 	I mustn't be delaying
you mustn't be delaying
she mustn't be delaying
we mustn't be delaying
you mustn't be delaying
they mustn't be delaying	I mustn't have delayed
you mustn't have delayed
she mustn't have delayed
we mustn't have delayed
you mustn't have delayed
they mustn't have delayed	I mustn't have been delaying
you mustn't have been delaying
she mustn't have been delaying
we mustn't have been delaying
you mustn't have been delaying
they mustn't have been delaying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I delay?
must you delay?
must she delay?
must we delay?
must you delay?
must they delay? 	must I be delaying?
must you be delaying?
must she be delaying?
must we be delaying?
must you be delaying?
must they be delaying? 	must I have delayed?
must you have delayed?
must she have delayed?
must we have delayed?
must you have delayed?
must they have delayed? 	must I have been delaying?
must you have been delaying?
must she have been delaying?
must we have been delaying?
must you have been delaying?
must they have been delaying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I delay?
mustn't you delay?
mustn't she delay?
mustn't we delay?
mustn't you delay?
mustn't they delay? 	mustn't I be delaying?
mustn't you be delaying?
mustn't she be delaying?
mustn't we be delaying?
mustn't you be delaying?
mustn't they be delaying? 	mustn't I have delayed?
mustn't you have delayed?
mustn't she have delayed?
mustn't we have delayed?
mustn't you have delayed?
mustn't they have delayed? 	mustn't I have been delaying?
mustn't you have been delaying?
mustn't she have been delaying?
mustn't we have been delaying?
mustn't you have been delaying?
mustn't they have been delaying?