The following video demonstrates each syllable of the pinyin structure
and the exercise of pinyin/zhuyin with basic Chinese 4-tune pronunciation

Mandarin pinyin tunes
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suī, suí, suǐ, suì

first tune

suī

although; even if in spite of; notwithstanding 雖 suī

though; although even though; in spite of 雖然 suī rán
although 雖 suī	like that 然 rán

Chinese characters also pronunced suī

second tune

suí

follow 隨 suí

Chinese characters also pronunced suí

third tune

suǐ

marrow; bone marrow 髓 suǐ

fourth tune

suì

year of age 歲 suì

How old are you? 你幾歲 Nǐ jǐ suì
you 你 Nǐ	how many 幾 jǐ	year of age 歲 suì

broken to pieces shatter to pieces 碎 suì

Chinese characters also pronunced suì