English verb conjugation
TO UNDERSTUDY

Regular verb: understudy - understudied - understudied

Indicative

Present	Present continuous	Preterite	Preterite continuous
do I understudy? do you understudy? does she understudy? do we understudy? do you understudy? do they understudy?	am I understudying? are you understudying? is she understudying? are we understudying? are you understudying? are they understudying?	did I understudy? did you understudy? did she understudy? did we understudy? did you understudy? did they understudy?	was I understudying? were you understudying? was she understudying? were we understudying? were you understudying? were they understudying?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
have I understudied? have you understudied? has she understudied? have we understudied? have you understudied? have they understudied?	have I been understudying? have you been understudying? has she been understudying? have we been understudying? have you been understudying? have they been understudying?	had I understudied? had you understudied? had she understudied? had we understudied? had you understudied? had they understudied?	had I been understudying? had you been understudying? had she been understudying? had we been understudying? had you been understudying? had they been understudying?
Future	Future continuous	Future perfect	Future perfect continuous
will I understudy? will you understudy? will she understudy? will we understudy? will you understudy? will they understudy?	will I be understudying? will you be understudying? will she be understudying? will we be understudying? will you be understudying? will they be understudying?	will I have understudied? will you have understudied? will she have understudied? will we have understudied? will you have understudied? will they have understudied?	will I have been understudying? will you have been understudying? will she have been understudying? will we have been understudying? will you have been understudying? will they have been understudying?

Conditional

Present	Present continuous	Past	Past continuous
would I understudy? would you understudy? would she understudy? would we understudy? would you understudy? would they understudy?	would I be understudying? would you be understudying? would she be understudying? would we be understudying? would you be understudying? would they be understudying?	would I have understudied? would you have understudied? would she have understudied? would we have understudied? would you have understudied? would they have understudied?	would I have been understudying? would you have been understudying? would she have been understudying? would we have been understudying? would you have been understudying? would they have been understudying?

Infinitive

Imperative

Infinitive		Imperative
to understudy		- - -

Participle

Present	Past
understudying	understudied