dont suggest it though im afraid its doesnt have a good meaning in the current culture so to avoid being picked on i suggest other wise.
In the UK, your name is anything you choose to use. There are formal procedures for registering a change if you wish.
"Hello" is more formal.
No. It is slang and should not be used in formal English
There may be special meanings of "formal" and "informal" English with which I am not familiar. Formal English would be "standard English", and would be of more importance in written communication. Standard English would be the use of vocabulary and grammar that is as free as possible from idiomatic, slang or otherwise specialized use that would not be universally accepted or understood by fluent speakers world-wide. Informal English would be the English that local communities use, with all the idiomatic, slangy and quirky richness that that implies.
No, unless you prefer slang. "You has" is not the proper grammar in most forms of English, such as literary and formal.
Using formal English is appropriate in professional settings, academic environments, and when addressing individuals in positions of authority. It is important to use correct grammar, avoid slang or colloquial language, and maintain a respectful tone. Consistency in style and tone is key to effectively communicating in formal English.
formal usage
Formal EnglishThe English that you should use when writing a paper or thesis should be formal (like a legal document) but also clear (unlike a legal document). There are certain things that can be done in spoken English or in written English in newspapers, magazines, or lecture notes (or web pages like this) which are not appropriate for formal writing. Informal EnglishThe use of slang word in speaking or normally interacting with friends is called informal English.Formal - Don't use contracted forms, use the entire auxiliary verb:They have lived in New York for many years.Informal - Use contracted forms.They've lived in New York for many years.
There really is no general rule as to what constitutes formal English. There really are many different types of English, depending on the setting (private letter, business letter, type of professional field, etc.). Generally, formal English means that you do not use any type of slang or colloquialism (no y'alls, 'sup, and whatnot), and you spell out words such as 'I am', instead of 'I'm', 'is not', instead of 'isn't, etc.In the case of a letter, formal English might also mean that you use formal wording when addressing the intended recipient ('Dear Sir/Madam', 'Sincerely').
Formal English generally refers to the correct and proper use of language as defined by grammar and syntax rules. Slang is informal language used in specific social groups or contexts, often deviating from the formal rules of standard English.
Formal English is typically used in professional or academic settings where clarity and professionalism are important. It follows standard grammar and vocabulary rules and avoids slang or colloquial expressions. It is also more appropriate for formal writing such as essays or business correspondence.
"Tú" means "you" in English. This is the form used in a "familiar" setting. In a more formal setting, you would use "usted".