English verb conjugation SHOULD STRENGTHEN

Regular verb: strengthen - strengthened - strengthened

Affirmation

Simple form

I should strengthen
you should strengthen
he should strengthen
we should strengthen
you should strengthen
they should strengthen

V-ing form

I should be strengthening
you should be strengthening
he should be strengthening
we should be strengthening
you should be strengthening
they should be strengthening

Perfect

I should have strengthened
you should have strengthened
he should have strengthened
we should have strengthened
you should have strengthened
they should have strengthened

V-ing perfect

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

Negation

Simple form

I should not strengthen
you should not strengthen
he should not strengthen
we should not strengthen
you should not strengthen
they should not strengthen

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

should I strengthen?
should you strengthen?
should he strengthen?
should we strengthen?
should you strengthen?
should they strengthen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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