是 links a subject to an identity or category.
Basic pattern#
Subject + 是 + noun phrase
An authored practice example#
我是学生。
I am a student.
This sentence is an original teaching example. It does not describe an interview, a survey result or an observed event.
Scope of this introduction#
Start with the example above and practise changing the nouns. It illustrates one use; it is not an exhaustive account of every function of the highlighted word or particle.
Reference#
Published Chinese grammar specification. The reference identifies the grammar point; the example and English translation here are newly written.