I must whisper you must whisper she must whisper we must whisper you must whisper they must whisper
Forma con V-ing
I must be whispering you must be whispering she must be whispering we must be whispering you must be whispering they must be whispering
Perfecto
I must have whispered you must have whispered she must have whispered we must have whispered you must have whispered they must have whispered
Perfecto con V-ing
I must have been whispering you must have been whispering she must have been whispering we must have been whispering you must have been whispering they must have been whispering
Negación
Forma simple
I must not whisper you must not whisper she must not whisper we must not whisper you must not whisper they must not whisper
Forma con V-ing
I must not be whispering you must not be whispering she must not be whispering we must not be whispering you must not be whispering they must not be whispering
Perfecto
I must not have whispered you must not have whispered she must not have whispered we must not have whispered you must not have whispered they must not have whispered
Perfecto con V-ing
I must not have been whispering you must not have been whispering she must not have been whispering we must not have been whispering you must not have been whispering they must not have been whispering
Forma interrogativa
Forma simple
must I whisper? must you whisper? must she whisper? must we whisper? must you whisper? must they whisper?
Forma con V-ing
must I be whispering? must you be whispering? must she be whispering? must we be whispering? must you be whispering? must they be whispering?
Perfecto
must I have whispered? must you have whispered? must she have whispered? must we have whispered? must you have whispered? must they have whispered?
Perfecto con V-ing
must I have been whispering? must you have been whispering? must she have been whispering? must we have been whispering? must you have been whispering? must they have been whispering?
Forma interro-negativa
Forma simple
must I not whisper? must you not whisper? must she not whisper? must we not whisper? must you not whisper? must they not whisper?
Forma con V-ing
must I not be whispering? must you not be whispering? must she not be whispering? must we not be whispering? must you not be whispering? must they not be whispering?
Perfecto
must I not have whispered? must you not have whispered? must she not have whispered? must we not have whispered? must you not have whispered? must they not have whispered?
Perfecto con V-ing
must I not have been whispering? must you not have been whispering? must she not have been whispering? must we not have been whispering? must you not have been whispering? must they not have been whispering?