Which tones are hardest, why, and where to start.
Bengali is non-tonal. Bengali speakers are significantly worse than Thai speakers on T1, T3 and T4, with no significant difference on T2, and they rely more on duration cues for T4. No specific error direction is reported.
Source: Li, Jinhao (2023), TAI 2023. DOI: 10.21437/TAI.2023-22
Group averages tell you where to look, not what you actually do. Two speakers of the same first language can differ a lot. The only way to know is to record yourself and compare.
Take the free two-minute checkup →No signup, no download. Your audio is scored and discarded.