I must theorise you must theorise she must theorise we must theorise you must theorise they must theorise
Forma com V-ing
I must be theorising you must be theorising she must be theorising we must be theorising you must be theorising they must be theorising
Perfeito
I must have theorised you must have theorised she must have theorised we must have theorised you must have theorised they must have theorised
Perfeito com V-ing
I must have been theorising you must have been theorising she must have been theorising we must have been theorising you must have been theorising they must have been theorising
Negação
Forma simple
I mustn't theorise you mustn't theorise she mustn't theorise we mustn't theorise you mustn't theorise they mustn't theorise
Forma com V-ing
I mustn't be theorising you mustn't be theorising she mustn't be theorising we mustn't be theorising you mustn't be theorising they mustn't be theorising
Perfeito
I mustn't have theorised you mustn't have theorised she mustn't have theorised we mustn't have theorised you mustn't have theorised they mustn't have theorised
Perfeito com V-ing
I mustn't have been theorising you mustn't have been theorising she mustn't have been theorising we mustn't have been theorising you mustn't have been theorising they mustn't have been theorising
Forma interrogativa
Forma simple
must I theorise? must you theorise? must she theorise? must we theorise? must you theorise? must they theorise?
Forma com V-ing
must I be theorising? must you be theorising? must she be theorising? must we be theorising? must you be theorising? must they be theorising?
Perfeito
must I have theorised? must you have theorised? must she have theorised? must we have theorised? must you have theorised? must they have theorised?
Perfeito com V-ing
must I have been theorising? must you have been theorising? must she have been theorising? must we have been theorising? must you have been theorising? must they have been theorising?
Forma interro-Negação
Forma simple
mustn't I theorise? mustn't you theorise? mustn't she theorise? mustn't we theorise? mustn't you theorise? mustn't they theorise?
Forma com V-ing
mustn't I be theorising? mustn't you be theorising? mustn't she be theorising? mustn't we be theorising? mustn't you be theorising? mustn't they be theorising?
Perfeito
mustn't I have theorised? mustn't you have theorised? mustn't she have theorised? mustn't we have theorised? mustn't you have theorised? mustn't they have theorised?
Perfeito com V-ing
mustn't I have been theorising? mustn't you have been theorising? mustn't she have been theorising? mustn't we have been theorising? mustn't you have been theorising? mustn't they have been theorising?