1. The document discusses Chinese sentence structure and how time, location, and duration are expressed.
2. In basic Chinese sentences, the subject-verb-object structure is common. Time is placed before or after the subject, and location is placed after the subject and time.
3. For expressions of duration, time is placed first followed by subject, location, verb, object, and duration.
4. Exceptions exist for some verbs like "live" and "sit" where location follows the verb rather than following subject and time.