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Indicative

Present Simple
Perfect Simple
Past Simple
Pluperfect Simple
Future Simple
Future perfect Simple
Present Continuous
Perfect Continuous
Past Continuous
Pluperfect Continuous
Future Continuous
Future perfect Continuous
I strengthen
you strengthen
he/she/it strengthens
we strengthen
they strengthen
I have strengthened
you have strengthened
he/she/it has strengthened
we have strengthened
they have strengthened
I strengthened
you strengthened
he/she/it strengthened
we strengthened
they strengthened
I had strengthened
you had strengthened
he/she/it had strengthened
we had strengthened
they had strengthened
I will strengthen
you will strengthen
he/she/it will strengthen
we will strengthen
they will strengthen
I will have strengthened
you will have strengthened
he/she/it will have strengthened
we will have strengthened
they will have strengthened
I am strengthening
you are strengthening
he/she/it is strengthening
we are strengthening
they are strengthening
I have been strengthening
you have been strengthening
he/she/it has been strengthening
we have been strengthening
they have been strengthening
I was strengthening
you were strengthening
he/she/it was strengthening
we were strengthening
they were strengthening
I had been strengthening
you had been strengthening
he/she/it had been strengthening
we had been strengthening
they had been strengthening
I will be strengthening
you will be strengthening
he/she/it will be strengthening
we will be strengthening
they will be strengthening
I will have been strengthening
you will have been strengthening
he/she/it will have been strengthening
we will have been strengthening
they will have been strengthening

Subjunctive

Present Simple
Perfect Simple
Imperfect Simple
Pluperfect Simple
I strengthen
you strengthen
he/she/it strengthen
we strengthen
they strengthen
I have strengthened
you have strengthened
he/she/it have strengthened
we have strengthened
they have strengthened
I strengthened
you strengthened
he/she/it strengthened
we strengthened
they strengthened
I had strengthened
you had strengthened
he/she/it had strengthened
we had strengthened
they had strengthened

Conditional

Present Simple
Perfect Simple
Present Continuous
Perfect Continuous
I would strengthen
you would strengthen
he/she/it would strengthen
we would strengthen
they would strengthen
I would have strengthened
you would have strengthened
he/she/it would have strengthened
we would have strengthened
they would have strengthened
I would be strengthening
you would be strengthening
he/she/it would be strengthening
we would be strengthening
they would be strengthening
I would have been strengthening
you would have been strengthening
he/she/it would have been strengthening
we would have been strengthening
they would have been strengthening

Imperative

you strengthen
we Let's strengthen

← Conjugate another English verb

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