English verb conjugation
SHALL UNDERSTUDY

Regular verb: understudy - understudied - understudied

Affirmation

Simple form	V-ing form
I shall understudy you shall understudy she shall understudy we shall understudy you shall understudy they shall understudy	I shall be understudying you shall be understudying she shall be understudying we shall be understudying you shall be understudying they shall be understudying
Perfect	V-ing perfect
I shall have understudied you shall have understudied she shall have understudied we shall have understudied you shall have understudied they shall have understudied	I shall have been understudying you shall have been understudying she shall have been understudying we shall have been understudying you shall have been understudying they shall have been understudying

Negation

Simple form	V-ing form
I shall not understudy you shall not understudy she shall not understudy we shall not understudy you shall not understudy they shall not understudy	I shall not be understudying you shall not be understudying she shall not be understudying we shall not be understudying you shall not be understudying they shall not be understudying
Perfect	V-ing perfect
I shall not have understudied you shall not have understudied she shall not have understudied we shall not have understudied you shall not have understudied they shall not have understudied	I shall not have been understudying you shall not have been understudying she shall not have been understudying we shall not have been understudying you shall not have been understudying they shall not have been understudying

Interrogative form

Simple form	V-ing form
shall I understudy? shall you understudy? shall she understudy? shall we understudy? shall you understudy? shall they understudy?	shall I be understudying? shall you be understudying? shall she be understudying? shall we be understudying? shall you be understudying? shall they be understudying?
Perfect	V-ing perfect
shall I have understudied? shall you have understudied? shall she have understudied? shall we have understudied? shall you have understudied? shall they have understudied?	shall I have been understudying? shall you have been understudying? shall she have been understudying? shall we have been understudying? shall you have been understudying? shall they have been understudying?

Interro-negative form

Simple form	V-ing form
shall I not understudy? shall you not understudy? shall she not understudy? shall we not understudy? shall you not understudy? shall they not understudy?	shall I not be understudying? shall you not be understudying? shall she not be understudying? shall we not be understudying? shall you not be understudying? shall they not be understudying?
Perfect	V-ing perfect
shall I not have understudied? shall you not have understudied? shall she not have understudied? shall we not have understudied? shall you not have understudied? shall they not have understudied?	shall I not have been understudying? shall you not have been understudying? shall she not have been understudying? shall we not have been understudying? shall you not have been understudying? shall they not have been understudying?