Coniugazione del verbo inglese
MUST UNDERSTUDY

Verbo regolare: understudy - understudied - understudied

Affermazione

Forma semplice	Forma con V-ing
I must understudy you must understudy she must understudy we must understudy you must understudy they must understudy	I must be understudying you must be understudying she must be understudying we must be understudying you must be understudying they must be understudying
Perfetto	Perfetto con V-ing
I must have understudied you must have understudied she must have understudied we must have understudied you must have understudied they must have understudied	I must have been understudying you must have been understudying she must have been understudying we must have been understudying you must have been understudying they must have been understudying

Negazione

Forma semplice	Forma con V-ing
I must not understudy you must not understudy she must not understudy we must not understudy you must not understudy they must not understudy	I must not be understudying you must not be understudying she must not be understudying we must not be understudying you must not be understudying they must not be understudying
Perfetto	Perfetto con V-ing
I must not have understudied you must not have understudied she must not have understudied we must not have understudied you must not have understudied they must not have understudied	I must not have been understudying you must not have been understudying she must not have been understudying we must not have been understudying you must not have been understudying they must not have been understudying

Forma interrogativa

Forma semplice	Forma con V-ing
must I understudy? must you understudy? must she understudy? must we understudy? must you understudy? must they understudy?	must I be understudying? must you be understudying? must she be understudying? must we be understudying? must you be understudying? must they be understudying?
Perfetto	Perfetto con V-ing
must I have understudied? must you have understudied? must she have understudied? must we have understudied? must you have understudied? must they have understudied?	must I have been understudying? must you have been understudying? must she have been understudying? must we have been understudying? must you have been understudying? must they have been understudying?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not understudy? must you not understudy? must she not understudy? must we not understudy? must you not understudy? must they not understudy?	must I not be understudying? must you not be understudying? must she not be understudying? must we not be understudying? must you not be understudying? must they not be understudying?
Perfetto	Perfetto con V-ing
must I not have understudied? must you not have understudied? must she not have understudied? must we not have understudied? must you not have understudied? must they not have understudied?	must I not have been understudying? must you not have been understudying? must she not have been understudying? must we not have been understudying? must you not have been understudying? must they not have been understudying?