Coniugazione del verbo inglese
MUST BACKFILL

Verbo regolare: backfill - backfilled - backfilled

Affermazione

Forma semplice	Forma con V-ing
I must backfill you must backfill she must backfill we must backfill you must backfill they must backfill	I must be backfilling you must be backfilling she must be backfilling we must be backfilling you must be backfilling they must be backfilling
Perfetto	Perfetto con V-ing
I must have backfilled you must have backfilled she must have backfilled we must have backfilled you must have backfilled they must have backfilled	I must have been backfilling you must have been backfilling she must have been backfilling we must have been backfilling you must have been backfilling they must have been backfilling

Negazione

Forma semplice	Forma con V-ing
I must not backfill you must not backfill she must not backfill we must not backfill you must not backfill they must not backfill	I must not be backfilling you must not be backfilling she must not be backfilling we must not be backfilling you must not be backfilling they must not be backfilling
Perfetto	Perfetto con V-ing
I must not have backfilled you must not have backfilled she must not have backfilled we must not have backfilled you must not have backfilled they must not have backfilled	I must not have been backfilling you must not have been backfilling she must not have been backfilling we must not have been backfilling you must not have been backfilling they must not have been backfilling

Forma interrogativa

Forma semplice	Forma con V-ing
must I backfill? must you backfill? must she backfill? must we backfill? must you backfill? must they backfill?	must I be backfilling? must you be backfilling? must she be backfilling? must we be backfilling? must you be backfilling? must they be backfilling?
Perfetto	Perfetto con V-ing
must I have backfilled? must you have backfilled? must she have backfilled? must we have backfilled? must you have backfilled? must they have backfilled?	must I have been backfilling? must you have been backfilling? must she have been backfilling? must we have been backfilling? must you have been backfilling? must they have been backfilling?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not backfill? must you not backfill? must she not backfill? must we not backfill? must you not backfill? must they not backfill?	must I not be backfilling? must you not be backfilling? must she not be backfilling? must we not be backfilling? must you not be backfilling? must they not be backfilling?
Perfetto	Perfetto con V-ing
must I not have backfilled? must you not have backfilled? must she not have backfilled? must we not have backfilled? must you not have backfilled? must they not have backfilled?	must I not have been backfilling? must you not have been backfilling? must she not have been backfilling? must we not have been backfilling? must you not have been backfilling? must they not have been backfilling?