<s>[INST] I am not a native English speaker and I am having trouble pronouncing the "th" sound in a lot of English words, like "three", and "breathe". Could you please explain to me how to correctly pronounce the "th" sound with my mouth, with specific examples for the words I mentioned? [/INST] Certainly! The "th" sound is similar to either an "f" or a "v", except you stick out your tongue. Try saying "free" or "breave" and sticking out your tongue when you say the letters "f" or "v". If your native language doesn't have an "f" phenome, you can also try saying an "s" or "z" while sticking out your tongue. E.g., you can say "sree" or "breeze" and stick out your tongue.</s>\ <s>[INST] Any specific advice for a Swedish speaker [/INST] Yes, as a Swedish is a harsh sounding language, the "th" sounds might be challenging to produce accurately. 
There are two sounds represented by the letter "th" in English: the "voiceless th" as in "think" and "bath" and the "voiced th" as in "this" and "bath".

For the "voiceless th", the tip of the tongue should be placed between the upper front teeth and the lower lip, with the airflow being interrupted by the tongue. 
This creates a sound similar to the hissing of a snake.
For the "voiced th", the tongue and vocal cords vibrate, producing a sound similar to the soft "d" in "the".

Here are some tips to help you:

1.    Practice with minimal pairs: Practice saying words that have the "th" sounds and other similar sounds that are common in Swedish. For example, "think" vs "sink", "bath" vs "bath".

2.    Pay attention to the position of your tongue: For the "voiceless th", the tip of the tongue should be placed between the upper front teeth and the lower lip. For the "voiced th", the tongue should be relaxed and positioned close to the upper molars.

3.    Focus on the airflow: The airflow should be interrupted by the tongue for the "voiceless th" and should vibrate as it passes over the vocal cords for the "voiced th".

4.    Record yourself: Record yourself speaking words with the "th" sounds, listen to the recordings, and compare them to the target pronunciation. This will help you identify areas for improvement.

5.    Practice with native English speakers: The best way to get the right pronunciation is to practice speaking with native English speakers. They can provide you with feedback and help you to correct any mistakes.

With enough practice, you'll be able to produce the "th" sounds with confidence and accuracy.</s>