Indicative
Present Indefinite
I harden
you harden
he/she/it hardens
we harden
you harden
they harden
Present Continuous
I am hardening
you are hardening
he/she/it is hardening
we are hardening
you are hardening
they are hardening
Present Perfect
I have hardened
you have hardened
he/she/it has hardened
we have hardened
you have hardened
they have hardened
Present Perfect Continuous
I have been hardening
you have been hardening
he/she/it has been hardening
we have been hardening
you have been hardening
they have been hardening
Past Indefinite
I hardened
you hardened
he/she/it hardened
we hardened
you hardened
they hardened
Past Continuous
I was hardening
you were hardening
he/she/it was hardening
we were hardening
you were hardening
they were hardening
Past Perfect
I had hardened
you had hardened
he/she/it had hardened
we had hardened
you had hardened
they had hardened
Past Perfect Continuous
I had been hardening
you had been hardening
he/she/it had been hardening
we had been hardening
you had been hardening
they had been hardening
Future Indefinite
I will harden
you will harden
he/she/it will harden
we will harden
you will harden
they will harden
Future Continuous
I will be hardening
you will be hardening
he/she/it will be hardening
we will be hardening
you will be hardening
they will be hardening
Future Perfect
I will have hardened
you will have hardened
he/she/it will have hardened
we will have hardened
you will have hardened
they will have hardened
Future Perfect Continuous
I will have been hardening
you will have been hardening
he/she/it will have been hardening
we will have been hardening
you will have been hardening
they will have been hardening
Conditional
Conditional Present
I would harden
you would harden
he/she/it would harden
we would harden
you would harden
they would harden
Conditional Present Continuous
I would be hardening
you would be hardening
he/she/it would be hardening
we would be hardening
you would be hardening
they would be hardening
Conditional Perfect
I would have hardened
you would have hardened
he/she/it would have hardened
we would have hardened
you would have hardened
they would have hardened
Conditional Perfect Continuous
I would have been hardening
you would have been hardening
he/she/it would have been hardening
we would have been hardening
you would have been hardening
they would have been hardening