What is Ba sentence? Please give examples to illustrate the main features of Chinese Ba sentences.

"Ba" sentence refers to a sentence pattern in which the preposition "Ba" or "Jiang" is used to refer to the verb-based component.

The basic structure is: name (agent)+treatment+name (patient)+verb+other.

For example:

(1) It's too hot in the room. Open the window! (opens the window)

Mary decorated the room beautifully.