English verb conjugation SHOULD UNDERSTUDY

Regular verb: understudy - understudied - understudied

Affirmation

Simple form

I should understudy
you should understudy
he should understudy
we should understudy
you should understudy
they should understudy

V-ing form

I should be understudying
you should be understudying
he should be understudying
we should be understudying
you should be understudying
they should be understudying

Perfect

I should have understudied
you should have understudied
he should have understudied
we should have understudied
you should have understudied
they should have understudied

V-ing perfect

I should have been understudying
you should have been understudying
he should have been understudying
we should have been understudying
you should have been understudying
they should have been understudying

Negation

Simple form

I should not understudy
you should not understudy
he should not understudy
we should not understudy
you should not understudy
they should not understudy

V-ing form

I should not be understudying
you should not be understudying
he should not be understudying
we should not be understudying
you should not be understudying
they should not be understudying

Perfect

I should not have understudied
you should not have understudied
he should not have understudied
we should not have understudied
you should not have understudied
they should not have understudied

V-ing perfect

I should not have been understudying
you should not have been understudying
he should not have been understudying
we should not have been understudying
you should not have been understudying
they should not have been understudying

Interrogative form

Simple form

should I understudy?
should you understudy?
should he understudy?
should we understudy?
should you understudy?
should they understudy?

V-ing form

should I be understudying?
should you be understudying?
should he be understudying?
should we be understudying?
should you be understudying?
should they be understudying?

Perfect

should I have understudied?
should you have understudied?
should he have understudied?
should we have understudied?
should you have understudied?
should they have understudied?

V-ing perfect

should I have been understudying?
should you have been understudying?
should he have been understudying?
should we have been understudying?
should you have been understudying?
should they have been understudying?

Interro-negative form

Simple form

should I not understudy?
should you not understudy?
should he not understudy?
should we not understudy?
should you not understudy?
should they not understudy?

V-ing form

should I not be understudying?
should you not be understudying?
should he not be understudying?
should we not be understudying?
should you not be understudying?
should they not be understudying?

Perfect

should I not have understudied?
should you not have understudied?
should he not have understudied?
should we not have understudied?
should you not have understudied?
should they not have understudied?

V-ing perfect

should I not have been understudying?
should you not have been understudying?
should he not have been understudying?
should we not have been understudying?
should you not have been understudying?
should they not have been understudying?

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