Coniugazione del verbo inglese
MUST PIFFLE

Verbo regolare: piffle - piffled - piffled

Affermazione

Forma semplice	Forma con V-ing
I must piffle you must piffle she must piffle we must piffle you must piffle they must piffle	I must be piffling you must be piffling she must be piffling we must be piffling you must be piffling they must be piffling
Perfetto	Perfetto con V-ing
I must have piffled you must have piffled she must have piffled we must have piffled you must have piffled they must have piffled	I must have been piffling you must have been piffling she must have been piffling we must have been piffling you must have been piffling they must have been piffling

Negazione

Forma semplice	Forma con V-ing
I must not piffle you must not piffle she must not piffle we must not piffle you must not piffle they must not piffle	I must not be piffling you must not be piffling she must not be piffling we must not be piffling you must not be piffling they must not be piffling
Perfetto	Perfetto con V-ing
I must not have piffled you must not have piffled she must not have piffled we must not have piffled you must not have piffled they must not have piffled	I must not have been piffling you must not have been piffling she must not have been piffling we must not have been piffling you must not have been piffling they must not have been piffling

Forma interrogativa

Forma semplice	Forma con V-ing
must I piffle? must you piffle? must she piffle? must we piffle? must you piffle? must they piffle?	must I be piffling? must you be piffling? must she be piffling? must we be piffling? must you be piffling? must they be piffling?
Perfetto	Perfetto con V-ing
must I have piffled? must you have piffled? must she have piffled? must we have piffled? must you have piffled? must they have piffled?	must I have been piffling? must you have been piffling? must she have been piffling? must we have been piffling? must you have been piffling? must they have been piffling?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not piffle? must you not piffle? must she not piffle? must we not piffle? must you not piffle? must they not piffle?	must I not be piffling? must you not be piffling? must she not be piffling? must we not be piffling? must you not be piffling? must they not be piffling?
Perfetto	Perfetto con V-ing
must I not have piffled? must you not have piffled? must she not have piffled? must we not have piffled? must you not have piffled? must they not have piffled?	must I not have been piffling? must you not have been piffling? must she not have been piffling? must we not have been piffling? must you not have been piffling? must they not have been piffling?