Diphthongs are complex vowel sounds found in many languages, including English. In English, there are eight main diphthongs: /eɪ/, /aɪ/, /ɔɪ/, /aʊ/, /oʊ/, /ɪə/, /eə/, and /ʊə/. To correctly pronounce diphthongs, it’s important to understand the mouth positions and movements involved.

1. /eɪ/: This diphthong is pronounced as a combination of the sounds “eh” and “ee.” To produce this sound, start with the mouth in a more closed position and then glide to a more open position. For example, in the word “say,” your mouth starts with an /e/ sound and moves toward an /ɪ/ sound.

2. /aɪ/: The /aɪ/ diphthong combines the sounds of “ah” and “ee.” Your tongue starts low and moves to a higher position in your mouth. For example, in the word “time,” your mouth starts with an /a/ sound and glides towards an /ɪ/ sound.

3. /ɔɪ/: This diphthong is a combination of “aw” and “ee.” To pronounce /ɔɪ/, start with a more rounded lip position and move towards a more relaxed lip position. For example, in the word “boy,” your mouth starts with an