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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to link more related multi-character Chinese words!

kān, kán, kǎn, kàn

first tune

kān

publish periodical; publication 刊 kān

weekly magazine 週刊 zhōu kān
week 週 zhōu	publication 刊 kān

monthly magazine 月刊 yuè kān
month 月 yuè	publication 刊 kān

bear; endure 堪 kān

unbearable; insufferable can't bear; can't stand 不堪 bù kān
not 不 bù	bear; endure 堪 kān

humiliating; embarrassing 難堪 nán kān
hard; difficult 難 nán	bear; endure 堪 kān

Chinese characters also pronunced kān

third tune

kǎn

chop; hack off 砍 kǎn

chop off; break apart by chopping 砍斷 kǎn duàn
chop 砍 kǎn	break 斷 duàn

Chinese characters also pronunced kǎn

fourth tune

kàn

look; see; view 看 kàn

see with one's eyes catch sight of 看見 kàn jiàn
look; see 看 kàn	see 見 jiàn

read a book 看書 kàn shū
view 看 kàn	book 書 shū

Chinese characters also pronunced kàn