libro referencia
experiencing chinese current unit / 12 cristinasandhi rules
When two 3rd-tone syllables are together, the first one should be pronounced with a 2nd tone. For example: nǐhǎo becomes níhǎo When a 3rd-tone followed by a 1st, 2nd, 4th or neutral tone, it is pronounced in the "half" third tone. That is, the tone that only falls but doesn't rise. For example: nǐmenneutral tone
The neutral tone is very light and short is not a real tone... tone depends on contextrepetitions
each phrase is repeated times after that it plays the next phrase