I must smooth you must smooth she must smooth we must smooth you must smooth they must smooth
Forma com V-ing
I must be smoothing you must be smoothing she must be smoothing we must be smoothing you must be smoothing they must be smoothing
Perfeito
I must have smoothed you must have smoothed she must have smoothed we must have smoothed you must have smoothed they must have smoothed
Perfeito com V-ing
I must have been smoothing you must have been smoothing she must have been smoothing we must have been smoothing you must have been smoothing they must have been smoothing
Negação
Forma simple
I must not smooth you must not smooth she must not smooth we must not smooth you must not smooth they must not smooth
Forma com V-ing
I must not be smoothing you must not be smoothing she must not be smoothing we must not be smoothing you must not be smoothing they must not be smoothing
Perfeito
I must not have smoothed you must not have smoothed she must not have smoothed we must not have smoothed you must not have smoothed they must not have smoothed
Perfeito com V-ing
I must not have been smoothing you must not have been smoothing she must not have been smoothing we must not have been smoothing you must not have been smoothing they must not have been smoothing
Forma interrogativa
Forma simple
must I smooth? must you smooth? must she smooth? must we smooth? must you smooth? must they smooth?
Forma com V-ing
must I be smoothing? must you be smoothing? must she be smoothing? must we be smoothing? must you be smoothing? must they be smoothing?
Perfeito
must I have smoothed? must you have smoothed? must she have smoothed? must we have smoothed? must you have smoothed? must they have smoothed?
Perfeito com V-ing
must I have been smoothing? must you have been smoothing? must she have been smoothing? must we have been smoothing? must you have been smoothing? must they have been smoothing?
Forma interro-Negação
Forma simple
must I not smooth? must you not smooth? must she not smooth? must we not smooth? must you not smooth? must they not smooth?
Forma com V-ing
must I not be smoothing? must you not be smoothing? must she not be smoothing? must we not be smoothing? must you not be smoothing? must they not be smoothing?
Perfeito
must I not have smoothed? must you not have smoothed? must she not have smoothed? must we not have smoothed? must you not have smoothed? must they not have smoothed?
Perfeito com V-ing
must I not have been smoothing? must you not have been smoothing? must she not have been smoothing? must we not have been smoothing? must you not have been smoothing? must they not have been smoothing?