This video explains how to use the letter 是 (Shì) in Chinese sentence construction and how to construct a simple sentence using that letter.

This lesson teaches you how to construct and apply a few simple sentence patterns, including how to construct a question sentence using the letter 是 (Shì) and how to construct a sentence that has no meaning.

Also, the last few minutes of the lesson specifically mention how the sentence of this lesson is pronounced. Pay special attention to it and practice how to pronounce the sentence patterns in Chinese.