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
Click the framed calligraphic Chinese symbol icons
to link more related multi-character Chinese words!

biāo, biáo, biǎo, biào

first tune

biāo

mark; label 標 biāo

standard 標準 biāo zhǔn
mark; label 標 biāo	exact; accurate 準 zhǔn

dart; javelin 鏢 biāo

dart 飛鏢 fēi biāo
fly 飛 fēi	dart 鏢 biāo

Chinese characters also pronunced biāo

third tune

biǎo

surface; exterior 表 biǎo

surface 表面 biǎo miàn
surface; exterior 表 biǎo	face 面 miàn

Chinese characters also pronunced biǎo

fourth tune

biào

maw of a fish 鰾 biào

fish maw 魚鰾 yú biào
fish 魚 yú	maw of a fish 鰾 biào