Coniugazione del verbo inglese
MUST REFEREE

Verbo regolare: referee - refereed - refereed

Affermazione

Forma semplice	Forma con V-ing
I must referee you must referee he must referee we must referee you must referee they must referee	I must be refereeing you must be refereeing he must be refereeing we must be refereeing you must be refereeing they must be refereeing
Perfetto	Perfetto con V-ing
I must have refereed you must have refereed he must have refereed we must have refereed you must have refereed they must have refereed	I must have been refereeing you must have been refereeing he must have been refereeing we must have been refereeing you must have been refereeing they must have been refereeing

Negazione

Forma semplice	Forma con V-ing
I must not referee you must not referee he must not referee we must not referee you must not referee they must not referee	I must not be refereeing you must not be refereeing he must not be refereeing we must not be refereeing you must not be refereeing they must not be refereeing
Perfetto	Perfetto con V-ing
I must not have refereed you must not have refereed he must not have refereed we must not have refereed you must not have refereed they must not have refereed	I must not have been refereeing you must not have been refereeing he must not have been refereeing we must not have been refereeing you must not have been refereeing they must not have been refereeing

Forma interrogativa

Forma semplice	Forma con V-ing
must I referee? must you referee? must he referee? must we referee? must you referee? must they referee?	must I be refereeing? must you be refereeing? must he be refereeing? must we be refereeing? must you be refereeing? must they be refereeing?
Perfetto	Perfetto con V-ing
must I have refereed? must you have refereed? must he have refereed? must we have refereed? must you have refereed? must they have refereed?	must I have been refereeing? must you have been refereeing? must he have been refereeing? must we have been refereeing? must you have been refereeing? must they have been refereeing?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not referee? must you not referee? must he not referee? must we not referee? must you not referee? must they not referee?	must I not be refereeing? must you not be refereeing? must he not be refereeing? must we not be refereeing? must you not be refereeing? must they not be refereeing?
Perfetto	Perfetto con V-ing
must I not have refereed? must you not have refereed? must he not have refereed? must we not have refereed? must you not have refereed? must they not have refereed?	must I not have been refereeing? must you not have been refereeing? must he not have been refereeing? must we not have been refereeing? must you not have been refereeing? must they not have been refereeing?