Formal emails use standard English words, complete sentences without contractions or abbreviations, and passive voice. Informal emails use colloquial language, contractions, abbreviations, active voice, emoticons, and informal words like "gonna" instead of formal words like "to request". The document provides examples of formal versus informal language that can be used in emails.

1. Formal and Informal Language in Emails

2. Formal emailsUses standardEnglishwordsegreply, business.Complete forms are frequent (“do not” instead of “Don’t”)No abbreviations are allowed. (asap)Passivevoiceisfrequetlyused. Eg: The goodsweredeliveredlastTuesday.

3. Informal emailsUse colloquialLanguage: gonna, ‘cause.Contractions are frequent: don’t, hasn’t.Abbreviationsor short forms: asap, TV.Use active forms: TheydeliveredthegoodslastTuesday.Use emoticons and smileys 

4. Formal and Informal LanguageFormal wordsInformal wordsTorequestRequirementsFurtherToverifyTocontactTopostponeToregretToassistToreceiveToaskforNeedsMore TocheckToget in touchwithToput offTobesorryTohelpToget