| Part of speech | verb |
|---|---|
| Pronunciation | /saɪ̯n/ |
| Hyphenation | sign |
| Shavian alphabet | 𐑕𐑲𐑯 |
| Deseret alphabet | 𐑅𐐴𐑌 |
| Indicative mood | |
|---|---|
| Present tense | Past tense |
| (I) sign | (I) signed |
| (thou) signest | (thou) signedst |
| (he) signs, signeth | (he) signed |
| (we) sign | (we) signed |
| (you) sign | (you) signed |
| (they) sign | (they) signed |
| Subjunctive mood | |
| Present tense | Past tense |
| (I) sign | (I) signed |
| (thou) sign | (thou) signed |
| (he) sign | (he) signed |
| (we) sign | (we) signed |
| (you) sign | (you) signed |
| (they) sign | (they) signed |
| Imperative mood | |
| sign | |
| Participles | |
| Present participle | Past participle |
| signing | signed |
| Afrikaans | teken; onderteken |
|---|---|
| Catalan | signar |
| Danish | underskrive |
| Dutch | tekenen; ondertekenen |
| Esperanto | subskribi |
| French | signer |
| German | unterschreiben; unterzeichnen |
| Icelandic | undirskrifa |
| Italian | firmare |
| Malay | menandatangani |
| Norwegian | skrive under |
| Papiamento | firma |
| Portuguese | assinar |
| Saterland Frisian | subskribierje |
| Spanish | firmar |
| Swedish | skriva under |