The Four Tones & Pinyin
- Produce the four Mandarin tones plus the neutral tone and explain how pitch changes meaning
- Read pinyin syllables and place tone marks on the correct vowel
- Apply third-tone sandhi when two third tones meet
Mandarin is a tonal language
In Mandarin, pitch is part of a word — change the tone and you change the meaning. The classic set is built on one syllable, ma: 妈 (mā, “mother”), 麻 (má, “hemp”), 马 (mǎ, “horse”), and 骂 (mà, “to scold”). The four tones are: first (high and level, ā), second (rising, like a question, á), third (dipping down then up, ǎ), and fourth (sharply falling, à). Because families and communities are full of names and kinship words, tones matter from your very first sentence — mixing up 妈 (mā) and 马 (mǎ) turns “mother” into “horse.”
How pinyin is built
Pinyin is the romanization that spells Mandarin sounds with the Latin alphabet. A syllable is usually an initial (a starting consonant) plus a final (the vowel core), carrying one tone mark: 家 (jiā, “home / family”) is initial j + final ia + first tone. The tone mark sits on the main vowel. The priority order is simple: a and e always take the mark; in ou it goes on o; otherwise it lands on the last vowel. So we write hǎo, not haǒ, and jiā, not jīa.
The neutral tone and third-tone sandhi
Some syllables are toneless — the neutral tone, said light and short, with no mark: 妈妈 (māma, “mom”), 爸爸 (bàba, “dad”), 哥哥 (gēge, “older brother”). Mandarin also has a sound-change rule called tone sandhi: when a third tone is followed by another third tone, the first one becomes a second tone. So 你好 is written nǐ hǎo but actually pronounced ní hǎo (“hello”). The spelling keeps the original marks; only the pronunciation shifts.
A student wants to greet an elder politely and say 你好 (nǐ hǎo, “hello”). Both syllables carry a third tone in writing. How should it actually be pronounced, and why?
- 1.Identify the tones as written: 你 is nǐ (third tone) and 好 is hǎo (third tone) — two third tones in a row.
- 2.Apply third-tone sandhi: when a third tone is followed by another third tone, the first shifts to a second (rising) tone.
- 3.So 你 nǐ is spoken as ní (rising), while 好 hǎo keeps its third tone.
- 4.The written pinyin does not change; only the spoken pitch does.
Which syllable means “horse,” distinguished from “mother” only by its tone?
A common beginner error is putting the tone mark on the wrong vowel. Follow the rule: a and e win first, then o in ou, otherwise the last vowel. Write jiā (not jīa) and hǎo (not haǒ). A misplaced mark still counts as sloppy pinyin on the exam.
The phrase 我很好 is written wǒ hěn hǎo (“I’m very well”). Because of third-tone sandhi, how do the first two syllables change in speech?
On the AP interpersonal speaking task, examiners hear your tones. Practice the four-tone chart aloud with real family words — 妈妈 (māma), 弟弟 (dìdi, “younger brother”), 姐姐 (jiějie, “older sister”) — so accurate pitch becomes automatic before you have to think about grammar.
Answer the 2 checkpoints as you read.
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