How to Practice Tones
Knowing the tone rules doesn’t mean you’ll automatically be able to say them correctly. This will also take a bit of practice. Back when I was doing private lessons, I found attaching the sound of the tone to an English word was very effective in getting tonal newbies on track. Watch this vid and give it a try:
I’d also recommend printing out this tone drill sheet, carrying it around with you and spend a couple minutes now and then working out the tones on the sheet.