About this document
Grammar Summary: Unit 9 Review by Trang Hoang is a document available to read on EtoBox.
The document provides information on forming and using the past perfect simple tense in English. It discusses how the past perfect is formed with had + past participle, and how it is used to indicate an action that occurred before another past action. It also gives examples of using the past perfect with time expressions and linking words to connect two past events. Finally, it covers forming subject questions without an auxiliary verb.
- Author
- Trang Hoang
- Language
- EN