I must quarrel you must quarrel he must quarrel we must quarrel you must quarrel they must quarrel
Forma com V-ing
I must be quarrelling you must be quarrelling he must be quarrelling we must be quarrelling you must be quarrelling they must be quarrelling
Perfeito
I must have quarrelled you must have quarrelled he must have quarrelled we must have quarrelled you must have quarrelled they must have quarrelled
Perfeito com V-ing
I must have been quarrelling you must have been quarrelling he must have been quarrelling we must have been quarrelling you must have been quarrelling they must have been quarrelling
Negação
Forma simple
I mustn't quarrel you mustn't quarrel he mustn't quarrel we mustn't quarrel you mustn't quarrel they mustn't quarrel
Forma com V-ing
I mustn't be quarrelling you mustn't be quarrelling he mustn't be quarrelling we mustn't be quarrelling you mustn't be quarrelling they mustn't be quarrelling
Perfeito
I mustn't have quarrelled you mustn't have quarrelled he mustn't have quarrelled we mustn't have quarrelled you mustn't have quarrelled they mustn't have quarrelled
Perfeito com V-ing
I mustn't have been quarrelling you mustn't have been quarrelling he mustn't have been quarrelling we mustn't have been quarrelling you mustn't have been quarrelling they mustn't have been quarrelling
Forma interrogativa
Forma simple
must I quarrel? must you quarrel? must he quarrel? must we quarrel? must you quarrel? must they quarrel?
Forma com V-ing
must I be quarrelling? must you be quarrelling? must he be quarrelling? must we be quarrelling? must you be quarrelling? must they be quarrelling?
Perfeito
must I have quarrelled? must you have quarrelled? must he have quarrelled? must we have quarrelled? must you have quarrelled? must they have quarrelled?
Perfeito com V-ing
must I have been quarrelling? must you have been quarrelling? must he have been quarrelling? must we have been quarrelling? must you have been quarrelling? must they have been quarrelling?
Forma interro-Negação
Forma simple
mustn't I quarrel? mustn't you quarrel? mustn't he quarrel? mustn't we quarrel? mustn't you quarrel? mustn't they quarrel?
Forma com V-ing
mustn't I be quarrelling? mustn't you be quarrelling? mustn't he be quarrelling? mustn't we be quarrelling? mustn't you be quarrelling? mustn't they be quarrelling?
Perfeito
mustn't I have quarrelled? mustn't you have quarrelled? mustn't he have quarrelled? mustn't we have quarrelled? mustn't you have quarrelled? mustn't they have quarrelled?
Perfeito com V-ing
mustn't I have been quarrelling? mustn't you have been quarrelling? mustn't he have been quarrelling? mustn't we have been quarrelling? mustn't you have been quarrelling? mustn't they have been quarrelling?