Coniugazione del verbo inglese
MUST UNDERUSE

Verbo regolare: underuse - underused - underused

Affermazione

Forma semplice	Forma con V-ing
I must underuse you must underuse she must underuse we must underuse you must underuse they must underuse	I must be underusing you must be underusing she must be underusing we must be underusing you must be underusing they must be underusing
Perfetto	Perfetto con V-ing
I must have underused you must have underused she must have underused we must have underused you must have underused they must have underused	I must have been underusing you must have been underusing she must have been underusing we must have been underusing you must have been underusing they must have been underusing

Negazione

Forma semplice	Forma con V-ing
I must not underuse you must not underuse she must not underuse we must not underuse you must not underuse they must not underuse	I must not be underusing you must not be underusing she must not be underusing we must not be underusing you must not be underusing they must not be underusing
Perfetto	Perfetto con V-ing
I must not have underused you must not have underused she must not have underused we must not have underused you must not have underused they must not have underused	I must not have been underusing you must not have been underusing she must not have been underusing we must not have been underusing you must not have been underusing they must not have been underusing

Forma interrogativa

Forma semplice	Forma con V-ing
must I underuse? must you underuse? must she underuse? must we underuse? must you underuse? must they underuse?	must I be underusing? must you be underusing? must she be underusing? must we be underusing? must you be underusing? must they be underusing?
Perfetto	Perfetto con V-ing
must I have underused? must you have underused? must she have underused? must we have underused? must you have underused? must they have underused?	must I have been underusing? must you have been underusing? must she have been underusing? must we have been underusing? must you have been underusing? must they have been underusing?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not underuse? must you not underuse? must she not underuse? must we not underuse? must you not underuse? must they not underuse?	must I not be underusing? must you not be underusing? must she not be underusing? must we not be underusing? must you not be underusing? must they not be underusing?
Perfetto	Perfetto con V-ing
must I not have underused? must you not have underused? must she not have underused? must we not have underused? must you not have underused? must they not have underused?	must I not have been underusing? must you not have been underusing? must she not have been underusing? must we not have been underusing? must you not have been underusing? must they not have been underusing?