nǐ jiào shénme míngzi?
What's your name?
我是……
I am...
This is a simple copula structure with 'wo' (我) meaning 'I' and 'shi' (是) meaning 'to be'. It's used to equate the subject with a noun or noun phrase.
我是学生
wǒ shì xuéshēng
I am a student. — Specifies who you are.
我叫……
wǒ jiào...
I am called... — More colloquial way to introduce your name.
我呢
wǒ ne
As for me... — Informal and conversational.
你好,我是李明
Nǐ hǎo, wǒ shì Lǐ Míng
Hello, I am Li Ming.
你好,李明。我是安娜
Nǐ hǎo, Lǐ Míng. Wǒ shì Ānnà
Hello, Li Ming. I am Anna.
Appropriate
Avoid when
You say '我是' (wǒ shì). It is used to introduce yourself or identify yourself as something.
It is pronounced 'wǒ shì'. The 'wǒ' has a falling-rising tone, and 'shì' has a falling tone.
Use '我是' when you want to say 'I am' followed by a noun, such as your name, nationality, or profession. Do not use it before adjectives or locations.
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