I must title you must title he must title we must title you must title they must title
Forma con V-ing
I must be titling you must be titling he must be titling we must be titling you must be titling they must be titling
Perfecto
I must have titled you must have titled he must have titled we must have titled you must have titled they must have titled
Perfecto con V-ing
I must have been titling you must have been titling he must have been titling we must have been titling you must have been titling they must have been titling
Negación
Forma simple
I must not title you must not title he must not title we must not title you must not title they must not title
Forma con V-ing
I must not be titling you must not be titling he must not be titling we must not be titling you must not be titling they must not be titling
Perfecto
I must not have titled you must not have titled he must not have titled we must not have titled you must not have titled they must not have titled
Perfecto con V-ing
I must not have been titling you must not have been titling he must not have been titling we must not have been titling you must not have been titling they must not have been titling
Forma interrogativa
Forma simple
must I title? must you title? must he title? must we title? must you title? must they title?
Forma con V-ing
must I be titling? must you be titling? must he be titling? must we be titling? must you be titling? must they be titling?
Perfecto
must I have titled? must you have titled? must he have titled? must we have titled? must you have titled? must they have titled?
Perfecto con V-ing
must I have been titling? must you have been titling? must he have been titling? must we have been titling? must you have been titling? must they have been titling?
Forma interro-negativa
Forma simple
must I not title? must you not title? must he not title? must we not title? must you not title? must they not title?
Forma con V-ing
must I not be titling? must you not be titling? must he not be titling? must we not be titling? must you not be titling? must they not be titling?
Perfecto
must I not have titled? must you not have titled? must he not have titled? must we not have titled? must you not have titled? must they not have titled?
Perfecto con V-ing
must I not have been titling? must you not have been titling? must he not have been titling? must we not have been titling? must you not have been titling? must they not have been titling?