I must blither you must blither she must blither we must blither you must blither they must blither
Forma con V-ing
I must be blithering you must be blithering she must be blithering we must be blithering you must be blithering they must be blithering
Perfecto
I must have blithered you must have blithered she must have blithered we must have blithered you must have blithered they must have blithered
Perfecto con V-ing
I must have been blithering you must have been blithering she must have been blithering we must have been blithering you must have been blithering they must have been blithering
Negación
Forma simple
I must not blither you must not blither she must not blither we must not blither you must not blither they must not blither
Forma con V-ing
I must not be blithering you must not be blithering she must not be blithering we must not be blithering you must not be blithering they must not be blithering
Perfecto
I must not have blithered you must not have blithered she must not have blithered we must not have blithered you must not have blithered they must not have blithered
Perfecto con V-ing
I must not have been blithering you must not have been blithering she must not have been blithering we must not have been blithering you must not have been blithering they must not have been blithering
Forma interrogativa
Forma simple
must I blither? must you blither? must she blither? must we blither? must you blither? must they blither?
Forma con V-ing
must I be blithering? must you be blithering? must she be blithering? must we be blithering? must you be blithering? must they be blithering?
Perfecto
must I have blithered? must you have blithered? must she have blithered? must we have blithered? must you have blithered? must they have blithered?
Perfecto con V-ing
must I have been blithering? must you have been blithering? must she have been blithering? must we have been blithering? must you have been blithering? must they have been blithering?
Forma interro-negativa
Forma simple
must I not blither? must you not blither? must she not blither? must we not blither? must you not blither? must they not blither?
Forma con V-ing
must I not be blithering? must you not be blithering? must she not be blithering? must we not be blithering? must you not be blithering? must they not be blithering?
Perfecto
must I not have blithered? must you not have blithered? must she not have blithered? must we not have blithered? must you not have blithered? must they not have blithered?
Perfecto con V-ing
must I not have been blithering? must you not have been blithering? must she not have been blithering? must we not have been blithering? must you not have been blithering? must they not have been blithering?