This document discusses grammar and fixed expressions in Chinese, including: 1. The impending aspect, which uses adverbs like 要,快,就要,快要 before the main verb or adjective to indicate an action that will happen soon, along with the particle 了 at the end of the sentence. 2. Imperative sentences, which are used to express suggestions, advice, or commands, and can be made negative by adding 别 or 不要 before the verb. Adding 了 softens the tone. 3. The expression 怎么行, which is often used rhetorically and translates to "Would it be OK?" or "Would it work?". It questions whether