English verb conjugation SHOULD SUSTAIN

Regular verb: sustain - sustained - sustained

Affirmation

Simple form

I should sustain
you should sustain
he should sustain
we should sustain
you should sustain
they should sustain

V-ing form

I should be sustaining
you should be sustaining
he should be sustaining
we should be sustaining
you should be sustaining
they should be sustaining

Perfect

I should have sustained
you should have sustained
he should have sustained
we should have sustained
you should have sustained
they should have sustained

V-ing perfect

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

Negation

Simple form

I should not sustain
you should not sustain
he should not sustain
we should not sustain
you should not sustain
they should not sustain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

should I sustain?
should you sustain?
should he sustain?
should we sustain?
should you sustain?
should they sustain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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