There are 44 consonants in Thai divided into 3 groups they are called mid class consonants, high class consonants and low class consonants.
Here are the easy ways to remember all of the groups.
1 You must remember a group of 9 mid class consonants.
2 You must remember a group of 11 high class consonants (this group start with rising tone). Please learn more about tones.
3 The rest of all will be a group of 24 low class consonants.
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