How do you say i am in mandarin?

There are a few ways to say "I am" in Mandarin, depending on the context and formality. Here are the most common options:

Formal:

* 我 (wǒ) 是 (shì) This is the most formal and widely used way to say "I am."

* 本人 (běn rén) 是 (shì) This is another formal option, literally meaning "this person is."

Informal:

* 我 (wǒ) This is a casual and common way to say "I am" in spoken Mandarin. It's understood to mean "I am" in the context of a sentence.

Examples:

* 我是一名学生。 (wǒ shì yī míng xuéshēng.) I am a student. (Formal)

* 本人是来自中国的。 (běn rén shì lái zì zhōngguó de.) This person is from China. (Formal)

* 我很好。 (wǒ hěn hǎo.) I am good. (Informal)

* 我累了。 (wǒ lèi le.) I am tired. (Informal)

Remember that the choice of which phrase to use depends on the situation and the level of formality required.