Visit online websites with lessons or obtain a conversational Thai educational program. Programs are available as MP3 downloads, videos, in podcast form and on CD. Download any files necessary to use the lessons.
Listen to and read along with the lesson instructions. Pay close attention to the sounds made by the speakers in the lessons. The lessons will follow patterns designed to gradually introduce parts of the language to you so that you can achieve better mastery of each phrase.
Practice repeating the tones along with and after the recordings. It may be helpful to record your voice as you say the sounds, words and phrases, then listen to the recording to hear if you pronounced the tones properly.
Speak with a native Thai speaker and ask them to inform you of any mispronunciations and offer tips to help you perfect the phrases you are learning.
Listen to Thai radio programs or television shows to hear more use of the tones and sounds and mimic what you hear for further practice.