Conjugation and declension of "sign" in English

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sign, Verb
signed / signed / signing / signs
sign, Noun
pl.signs

Conjugation of the verb sign[saɪn], regular

All forms Indicative Conditional Participles Infinitives

Indicative

Present Indefinite

I sign
you sign
he/she/it signs
we sign
you sign
they sign

Present Continuous

I am signing
you are signing
he/she/it is signing
we are signing
you are signing
they are signing

Present Perfect

I have signed
you have signed
he/she/it has signed
we have signed
you have signed
they have signed

Present Perfect Continuous

I have been signing
you have been signing
he/she/it has been signing
we have been signing
you have been signing
they have been signing

Past Indefinite

I signed
you signed
he/she/it signed
we signed
you signed
they signed

Past Continuous

I was signing
you were signing
he/she/it was signing
we were signing
you were signing
they were signing

Past Perfect

I had signed
you had signed
he/she/it had signed
we had signed
you had signed
they had signed

Past Perfect Continuous

I had been signing
you had been signing
he/she/it had been signing
we had been signing
you had been signing
they had been signing

Future Indefinite

I will sign
you will sign
he/she/it will sign
we will sign
you will sign
they will sign

Future Continuous

I will be signing
you will be signing
he/she/it will be signing
we will be signing
you will be signing
they will be signing

Future Perfect

I will have signed
you will have signed
he/she/it will have signed
we will have signed
you will have signed
they will have signed

Future Perfect Continuous

I will have been signing
you will have been signing
he/she/it will have been signing
we will have been signing
you will have been signing
they will have been signing

Conditional

Conditional Present

I would sign
you would sign
he/she/it would sign
we would sign
you would sign
they would sign

Conditional Present Continuous

I would be signing
you would be signing
he/she/it would be signing
we would be signing
you would be signing
they would be signing

Conditional Perfect

I would have signed
you would have signed
he/she/it would have signed
we would have signed
you would have signed
they would have signed

Conditional Perfect Continuous

I would have been signing
you would have been signing
he/she/it would have been signing
we would have been signing
you would have been signing
they would have been signing

Participles

Present

signing

Past

signed

Infinitives

Infinitives

to sign
to have signed
to be signing
to have been signing

Declension of the noun sign[saɪn]pl.signs

Singular

Plural

Singular

Common case

sign

signs

Possessive case

sign's

signs'

Plural