I must stutter you must stutter she must stutter we must stutter you must stutter they must stutter
Forma con V-ing
I must be stuttering you must be stuttering she must be stuttering we must be stuttering you must be stuttering they must be stuttering
Perfecto
I must have stuttered you must have stuttered she must have stuttered we must have stuttered you must have stuttered they must have stuttered
Perfecto con V-ing
I must have been stuttering you must have been stuttering she must have been stuttering we must have been stuttering you must have been stuttering they must have been stuttering
Negación
Forma simple
I must not stutter you must not stutter she must not stutter we must not stutter you must not stutter they must not stutter
Forma con V-ing
I must not be stuttering you must not be stuttering she must not be stuttering we must not be stuttering you must not be stuttering they must not be stuttering
Perfecto
I must not have stuttered you must not have stuttered she must not have stuttered we must not have stuttered you must not have stuttered they must not have stuttered
Perfecto con V-ing
I must not have been stuttering you must not have been stuttering she must not have been stuttering we must not have been stuttering you must not have been stuttering they must not have been stuttering
Forma interrogativa
Forma simple
must I stutter? must you stutter? must she stutter? must we stutter? must you stutter? must they stutter?
Forma con V-ing
must I be stuttering? must you be stuttering? must she be stuttering? must we be stuttering? must you be stuttering? must they be stuttering?
Perfecto
must I have stuttered? must you have stuttered? must she have stuttered? must we have stuttered? must you have stuttered? must they have stuttered?
Perfecto con V-ing
must I have been stuttering? must you have been stuttering? must she have been stuttering? must we have been stuttering? must you have been stuttering? must they have been stuttering?
Forma interro-negativa
Forma simple
must I not stutter? must you not stutter? must she not stutter? must we not stutter? must you not stutter? must they not stutter?
Forma con V-ing
must I not be stuttering? must you not be stuttering? must she not be stuttering? must we not be stuttering? must you not be stuttering? must they not be stuttering?
Perfecto
must I not have stuttered? must you not have stuttered? must she not have stuttered? must we not have stuttered? must you not have stuttered? must they not have stuttered?
Perfecto con V-ing
must I not have been stuttering? must you not have been stuttering? must she not have been stuttering? must we not have been stuttering? must you not have been stuttering? must they not have been stuttering?