I must whirl you must whirl he must whirl we must whirl you must whirl they must whirl
Forma com V-ing
I must be whirling you must be whirling he must be whirling we must be whirling you must be whirling they must be whirling
Perfeito
I must have whirled you must have whirled he must have whirled we must have whirled you must have whirled they must have whirled
Perfeito com V-ing
I must have been whirling you must have been whirling he must have been whirling we must have been whirling you must have been whirling they must have been whirling
Negação
Forma simple
I must not whirl you must not whirl he must not whirl we must not whirl you must not whirl they must not whirl
Forma com V-ing
I must not be whirling you must not be whirling he must not be whirling we must not be whirling you must not be whirling they must not be whirling
Perfeito
I must not have whirled you must not have whirled he must not have whirled we must not have whirled you must not have whirled they must not have whirled
Perfeito com V-ing
I must not have been whirling you must not have been whirling he must not have been whirling we must not have been whirling you must not have been whirling they must not have been whirling
Forma interrogativa
Forma simple
must I whirl? must you whirl? must he whirl? must we whirl? must you whirl? must they whirl?
Forma com V-ing
must I be whirling? must you be whirling? must he be whirling? must we be whirling? must you be whirling? must they be whirling?
Perfeito
must I have whirled? must you have whirled? must he have whirled? must we have whirled? must you have whirled? must they have whirled?
Perfeito com V-ing
must I have been whirling? must you have been whirling? must he have been whirling? must we have been whirling? must you have been whirling? must they have been whirling?
Forma interro-Negação
Forma simple
must I not whirl? must you not whirl? must he not whirl? must we not whirl? must you not whirl? must they not whirl?
Forma com V-ing
must I not be whirling? must you not be whirling? must he not be whirling? must we not be whirling? must you not be whirling? must they not be whirling?
Perfeito
must I not have whirled? must you not have whirled? must he not have whirled? must we not have whirled? must you not have whirled? must they not have whirled?
Perfeito com V-ing
must I not have been whirling? must you not have been whirling? must he not have been whirling? must we not have been whirling? must you not have been whirling? must they not have been whirling?