I must attend you must attend she must attend we must attend you must attend they must attend
Forma com V-ing
I must be attending you must be attending she must be attending we must be attending you must be attending they must be attending
Perfeito
I must have attended you must have attended she must have attended we must have attended you must have attended they must have attended
Perfeito com V-ing
I must have been attending you must have been attending she must have been attending we must have been attending you must have been attending they must have been attending
Negação
Forma simple
I must not attend you must not attend she must not attend we must not attend you must not attend they must not attend
Forma com V-ing
I must not be attending you must not be attending she must not be attending we must not be attending you must not be attending they must not be attending
Perfeito
I must not have attended you must not have attended she must not have attended we must not have attended you must not have attended they must not have attended
Perfeito com V-ing
I must not have been attending you must not have been attending she must not have been attending we must not have been attending you must not have been attending they must not have been attending
Forma interrogativa
Forma simple
must I attend? must you attend? must she attend? must we attend? must you attend? must they attend?
Forma com V-ing
must I be attending? must you be attending? must she be attending? must we be attending? must you be attending? must they be attending?
Perfeito
must I have attended? must you have attended? must she have attended? must we have attended? must you have attended? must they have attended?
Perfeito com V-ing
must I have been attending? must you have been attending? must she have been attending? must we have been attending? must you have been attending? must they have been attending?
Forma interro-Negação
Forma simple
must I not attend? must you not attend? must she not attend? must we not attend? must you not attend? must they not attend?
Forma com V-ing
must I not be attending? must you not be attending? must she not be attending? must we not be attending? must you not be attending? must they not be attending?
Perfeito
must I not have attended? must you not have attended? must she not have attended? must we not have attended? must you not have attended? must they not have attended?
Perfeito com V-ing
must I not have been attending? must you not have been attending? must she not have been attending? must we not have been attending? must you not have been attending? must they not have been attending?