Conjugação do verbo inglês
MUST BACKFILL

Verbo regular: backfill - backfilled - backfilled

Afirmação

Forma simple	Forma com 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
Perfeito	Perfeito com 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

Negação

Forma simple	Forma com V-ing
I mustn't backfill you mustn't backfill she mustn't backfill we mustn't backfill you mustn't backfill they mustn't backfill	I mustn't be backfilling you mustn't be backfilling she mustn't be backfilling we mustn't be backfilling you mustn't be backfilling they mustn't be backfilling
Perfeito	Perfeito com V-ing
I mustn't have backfilled you mustn't have backfilled she mustn't have backfilled we mustn't have backfilled you mustn't have backfilled they mustn't have backfilled	I mustn't have been backfilling you mustn't have been backfilling she mustn't have been backfilling we mustn't have been backfilling you mustn't have been backfilling they mustn't have been backfilling

Forma interrogativa

Forma simple	Forma com 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?
Perfeito	Perfeito com 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-Negação

Forma simple	Forma com V-ing
mustn't I backfill? mustn't you backfill? mustn't she backfill? mustn't we backfill? mustn't you backfill? mustn't they backfill?	mustn't I be backfilling? mustn't you be backfilling? mustn't she be backfilling? mustn't we be backfilling? mustn't you be backfilling? mustn't they be backfilling?
Perfeito	Perfeito com V-ing
mustn't I have backfilled? mustn't you have backfilled? mustn't she have backfilled? mustn't we have backfilled? mustn't you have backfilled? mustn't they have backfilled?	mustn't I have been backfilling? mustn't you have been backfilling? mustn't she have been backfilling? mustn't we have been backfilling? mustn't you have been backfilling? mustn't they have been backfilling?