Th-fronting is the pronunciation of the English "th" as "f" or "v". When th-fronting is applied, /θ/ becomes /f/ (for example, three is pronounced as free) and /ð/ becomes /v/ (for example, bathe is pronounced as bave)..
In this manner, why do I pronounce TH as F?
<th> pronounced as /f/ or /v/ is called th-fronting and has been widespread in working class London speech since the 19th century, it's also found in a few other parts of the country. As with most features of this dialect, it's stigmatised, as the responses already up demonstrate.
Additionally, why do Brits pronounce lieutenant with an F? "Lieu” means place and “tenant” means holding. So a Lieutenant is someone who “holds a place” or functions as a deputy of a superior. It's believed that at some time before the 19th century, the British read and pronounced the “U” at the end of “lieu” as a “V” and the “V” later became an “F”.
Also asked, what is it called when you can't pronounce th?
People who pronounce 'th' as 'f' don't have a speech impediment; it's a matter of accent and dialect. And for the same reason, it's not 'wrong' or the result of poor education or laziness or anything like that.
Why do British people not pronounce r?
This is because non-rhoticity is a historic innovation that started in London in the 17th (ish) century, and spread out from there. Also, even non-rhotic dialects like most Southeastern English dialects do pronounce the 'r' in e.g. 'car' and other places at the end of words when the next word starts with a vowel.
Related Question Answers
Why do the Irish not pronounce th?
It isn't that they don't pronounce it correctly, it is simply that some Irish people pronounce the th sound differently that you or I might. Ireland has many dialects of English. Some will pronounce it the way we are most used to hearing it in the UK and U.S. Others may use a d sound while others yet may use a t sound.Why do British people say H weird?
Nowadays, to emphasise the presence of an H, we over-emphasise the H at the beginning of words - even when they aren't there - since we borrowed the name of the letter from French and it begins with a vowel sound in French, it can be seen as a semi-logical conclusion that the word actually begins with an H.Why do British people have lisps?
One possible answer is that the English are psychologically fixated on the security and comfort they experienced as young children, and for this reason they subconsciously seek to reassure themselves by speaking baby talk all the time, the chief characteristic of which is a lisp.Why do I pronounce TH as D?
In Standard English, th is pronounced as a voiceless or voiced dental fricative (IPA θ or ð), meaning it is made with the tip of the tongue touching the top row of teeth. –In London, voiced th often becomes 'd' at the beginning of a word: this becomes 'dis.What accent pronounces V as W?
German
Do you pronounce the TH in Thomas?
Thomas gets pronounced with a starting "T" (the "h" is silent), while Theodore with a "Th".Why is the th sound so hard?
The “th” is difficult to pronounce because there are two pronunciations and one spelling of the 2 phonemes. There is no way to know how it is going to be pronounced.Why can't I say my R's?
Rhotacism is a speech impediment that is defined by the lack of ability, or difficulty in, pronouncing the sound R. Some speech pathologists, those who work with speech impediments may call this impediment de-rhotacization because the sounds don't become rhotic, rather they lose their rhotic quality.How do you pronounce s?
The 's sound' /s/ is unvoiced (the vocal cords do not vibrate during its production), and is the counterpart to the voiced 'z sound' /z/. To create the /s/, the front of the tongue is placed close to the tooth ridge. The tip of the tongue should be close to the upper backside of the top front teeth.What is a lisp?
A lisp is a speech impediment in which a person misarticulates sibilants ([s], [z], [ts], [dz]), ([?], [?], [t?], [d?]).How do you fix th sound?
Practice “f-th-f-th” to contrast the two sounds. If necessary, gently push the lower lip out of the way. 3.To teach the voiced TH, instruct the child to imitate the voiceless TH and to “turn his voice on.” It may be taught by having him say “zzzz,” then gradually move his tongue forward to between the teeth.Is there a th sound in Spanish?
Unlike most languages, the “th” sounds in “thing” and “bathe” do exist in Spanish. As a “z” is pronounced as “s” or “th” (depending on the speaker, as in the two pronunciations of “Barcelona”), a “z” sound does not exist in Spanish.Is the pronounced thee or thuh?
Normally, we pronounce the with a short sound (like "thuh"). But when the comes before a vowel sound, we pronounce it as a long "thee". When we wish to place emphasis on a particular word, we can use "emphatic the" [thee], whether or not the word begins with a consonant or vowel sound.When should the th sound be mastered?
/d,t,k,g,f,n,ng,y/ are expected to be mastered by 4 years of age. /s,z,l,v,sh/ are expected to be mastered by 6 years of age. /j,ch,th/ are expected to be mastered by 7 years of age. /r,zh/ are expected to be mastered by 8 years of age.Why do British people say Zed?
The British and others pronounce “z”, “zed”, owing to the origin of the letter “z”, the Greek letter “Zeta”. This gave rise to the Old French “zede”, which resulted in the English “zed” around the 15th century.How do you pronounce Nguyen?
"Nguy?n is the most common Vietnamese family name. Outside of Vietnam, the surname is commonly rendered without diacritics as Nguyen. Vietnamese pronunciation is northern [ŋʷǐˀ?n] and southern [ŋʷĩ?ŋ] ; in English it is commonly /ˈw?n/ "win"." - from Wikipedia .Why do British add u to words?
Originally Answered: Why is there an extra U in the British spelling of certain words? The British spellings do not contain extra letters; those spellings were there first and thus they are the original spellings.Why do British say Aluminium?
According to the Online Etymology Dictionary English chemist Sir Humphry Davy named the element alumium in 1808 and then changed it to aluminum in 1812. British editors changed it to aluminium to be more in keeping with other elements such as potassium and sodium, while the Americans retained the spelling as aluminum.Do you pronounce the r in foyer?
Indeed, the French pronunciation [fwaje] (fwa-yay) is fairly uncommon. Some (as in Standard American) take yet a further step and pronounce the word with the [r] at the end. (Ironically, speakers of non-rhotic dialects will then abandon the [r] and pronounce it something like FOY-uh). 
