I must recycle you must recycle he must recycle we must recycle you must recycle they must recycle
Forma con V-ing
I must be recycling you must be recycling he must be recycling we must be recycling you must be recycling they must be recycling
Perfecto
I must have recycled you must have recycled he must have recycled we must have recycled you must have recycled they must have recycled
Perfecto con V-ing
I must have been recycling you must have been recycling he must have been recycling we must have been recycling you must have been recycling they must have been recycling
Negación
Forma simple
I mustn't recycle you mustn't recycle he mustn't recycle we mustn't recycle you mustn't recycle they mustn't recycle
Forma con V-ing
I mustn't be recycling you mustn't be recycling he mustn't be recycling we mustn't be recycling you mustn't be recycling they mustn't be recycling
Perfecto
I mustn't have recycled you mustn't have recycled he mustn't have recycled we mustn't have recycled you mustn't have recycled they mustn't have recycled
Perfecto con V-ing
I mustn't have been recycling you mustn't have been recycling he mustn't have been recycling we mustn't have been recycling you mustn't have been recycling they mustn't have been recycling
Forma interrogativa
Forma simple
must I recycle? must you recycle? must he recycle? must we recycle? must you recycle? must they recycle?
Forma con V-ing
must I be recycling? must you be recycling? must he be recycling? must we be recycling? must you be recycling? must they be recycling?
Perfecto
must I have recycled? must you have recycled? must he have recycled? must we have recycled? must you have recycled? must they have recycled?
Perfecto con V-ing
must I have been recycling? must you have been recycling? must he have been recycling? must we have been recycling? must you have been recycling? must they have been recycling?
Forma interro-negativa
Forma simple
mustn't I recycle? mustn't you recycle? mustn't he recycle? mustn't we recycle? mustn't you recycle? mustn't they recycle?
Forma con V-ing
mustn't I be recycling? mustn't you be recycling? mustn't he be recycling? mustn't we be recycling? mustn't you be recycling? mustn't they be recycling?
Perfecto
mustn't I have recycled? mustn't you have recycled? mustn't he have recycled? mustn't we have recycled? mustn't you have recycled? mustn't they have recycled?
Perfecto con V-ing
mustn't I have been recycling? mustn't you have been recycling? mustn't he have been recycling? mustn't we have been recycling? mustn't you have been recycling? mustn't they have been recycling?