English verb conjugation CAN HARDEN

Regular verb: harden - hardened - hardened

Affirmation

Simple form

I can harden
you can harden
he can harden
we can harden
you can harden
they can harden

V-ing form

I can be hardening
you can be hardening
he can be hardening
we can be hardening
you can be hardening
they can be hardening

Perfect

I can have hardened
you can have hardened
he can have hardened
we can have hardened
you can have hardened
they can have hardened

V-ing perfect

I can have been hardening
you can have been hardening
he can have been hardening
we can have been hardening
you can have been hardening
they can have been hardening

Negation

Simple form

I can't harden
you can't harden
he can't harden
we can't harden
you can't harden
they can't harden

V-ing form

I can't be hardening
you can't be hardening
he can't be hardening
we can't be hardening
you can't be hardening
they can't be hardening

Perfect

I can't have hardened
you can't have hardened
he can't have hardened
we can't have hardened
you can't have hardened
they can't have hardened

V-ing perfect

I can't have been hardening
you can't have been hardening
he can't have been hardening
we can't have been hardening
you can't have been hardening
they can't have been hardening

Interrogative form

Simple form

can I harden?
can you harden?
can he harden?
can we harden?
can you harden?
can they harden?

V-ing form

can I be hardening?
can you be hardening?
can he be hardening?
can we be hardening?
can you be hardening?
can they be hardening?

Perfect

can I have hardened?
can you have hardened?
can he have hardened?
can we have hardened?
can you have hardened?
can they have hardened?

V-ing perfect

can I have been hardening?
can you have been hardening?
can he have been hardening?
can we have been hardening?
can you have been hardening?
can they have been hardening?

Interro-negative form

Simple form

can't I harden?
can't you harden?
can't he harden?
can't we harden?
can't you harden?
can't they harden?

V-ing form

can't I be hardening?
can't you be hardening?
can't he be hardening?
can't we be hardening?
can't you be hardening?
can't they be hardening?

Perfect

can't I have hardened?
can't you have hardened?
can't he have hardened?
can't we have hardened?
can't you have hardened?
can't they have hardened?

V-ing perfect

can't I have been hardening?
can't you have been hardening?
can't he have been hardening?
can't we have been hardening?
can't you have been hardening?
can't they have been hardening?

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