English verb conjugation SHOULD STRENGTHEN

Regular verb: strengthen - strengthened - strengthened

Affirmation

Simple form

I'd strengthen
you'd strengthen
he'd strengthen
we'd strengthen
you'd strengthen
they'd strengthen

V-ing form

I'd be strengthening
you'd be strengthening
he'd be strengthening
we'd be strengthening
you'd be strengthening
they'd be strengthening

Perfect

I should've strengthened
you should've strengthened
he should've strengthened
we should've strengthened
you should've strengthened
they should've strengthened

V-ing perfect

I should've been strengthening
you should've been strengthening
he should've been strengthening
we should've been strengthening
you should've been strengthening
they should've been strengthening

Negation

Simple form

I shouldn't strengthen
you shouldn't strengthen
he shouldn't strengthen
we shouldn't strengthen
you shouldn't strengthen
they shouldn't strengthen

V-ing form

I shouldn't be strengthening
you shouldn't be strengthening
he shouldn't be strengthening
we shouldn't be strengthening
you shouldn't be strengthening
they shouldn't be strengthening

Perfect

I shouldn't have strengthened
you shouldn't have strengthened
he shouldn't have strengthened
we shouldn't have strengthened
you shouldn't have strengthened
they shouldn't have strengthened

V-ing perfect

I shouldn't have been strengthening
you shouldn't have been strengthening
he shouldn't have been strengthening
we shouldn't have been strengthening
you shouldn't have been strengthening
they shouldn't 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

shouldn't I strengthen?
shouldn't you strengthen?
shouldn't he strengthen?
shouldn't we strengthen?
shouldn't you strengthen?
shouldn't they strengthen?

V-ing form

shouldn't I be strengthening?
shouldn't you be strengthening?
shouldn't he be strengthening?
shouldn't we be strengthening?
shouldn't you be strengthening?
shouldn't they be strengthening?

Perfect

shouldn't I have strengthened?
shouldn't you have strengthened?
shouldn't he have strengthened?
shouldn't we have strengthened?
shouldn't you have strengthened?
shouldn't they have strengthened?

V-ing perfect

shouldn't I have been strengthening?
shouldn't you have been strengthening?
shouldn't he have been strengthening?
shouldn't we have been strengthening?
shouldn't you have been strengthening?
shouldn't they have been strengthening?

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