I must quibble you must quibble he must quibble we must quibble you must quibble they must quibble
Forma con V-ing
I must be quibbling you must be quibbling he must be quibbling we must be quibbling you must be quibbling they must be quibbling
Perfetto
I must have quibbled you must have quibbled he must have quibbled we must have quibbled you must have quibbled they must have quibbled
Perfetto con V-ing
I must have been quibbling you must have been quibbling he must have been quibbling we must have been quibbling you must have been quibbling they must have been quibbling
Negazione
Forma semplice
I must not quibble you must not quibble he must not quibble we must not quibble you must not quibble they must not quibble
Forma con V-ing
I must not be quibbling you must not be quibbling he must not be quibbling we must not be quibbling you must not be quibbling they must not be quibbling
Perfetto
I must not have quibbled you must not have quibbled he must not have quibbled we must not have quibbled you must not have quibbled they must not have quibbled
Perfetto con V-ing
I must not have been quibbling you must not have been quibbling he must not have been quibbling we must not have been quibbling you must not have been quibbling they must not have been quibbling
Forma interrogativa
Forma semplice
must I quibble? must you quibble? must he quibble? must we quibble? must you quibble? must they quibble?
Forma con V-ing
must I be quibbling? must you be quibbling? must he be quibbling? must we be quibbling? must you be quibbling? must they be quibbling?
Perfetto
must I have quibbled? must you have quibbled? must he have quibbled? must we have quibbled? must you have quibbled? must they have quibbled?
Perfetto con V-ing
must I have been quibbling? must you have been quibbling? must he have been quibbling? must we have been quibbling? must you have been quibbling? must they have been quibbling?
Forma interro-negativa
Forma semplice
must I not quibble? must you not quibble? must he not quibble? must we not quibble? must you not quibble? must they not quibble?
Forma con V-ing
must I not be quibbling? must you not be quibbling? must he not be quibbling? must we not be quibbling? must you not be quibbling? must they not be quibbling?
Perfetto
must I not have quibbled? must you not have quibbled? must he not have quibbled? must we not have quibbled? must you not have quibbled? must they not have quibbled?
Perfetto con V-ing
must I not have been quibbling? must you not have been quibbling? must he not have been quibbling? must we not have been quibbling? must you not have been quibbling? must they not have been quibbling?