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!

nīn, nín, nǐn, nìn

second tune

nín

you (honorific form) 您 nín

Hello; How are you (honorific form) 您好 nín hǎo
you (honorific form) 您 nín	good; fine 好 hǎo

Thank You (honorific form) 謝謝您 Xiè-xiè nín
thanks 謝謝 xiè-xiè	you (honorific form) 您 nín