1. Present Time
2. Past Time
3. Future Time
4. Nouns and Pronouns
5. Modal Auxiliaries
6. Asking Questions
7. The Present Perfect and the Past Perfect
8. Count / Noncount and Articles
Appendix 1. Preposition Combinations
Appendix 2. Guide for Correcting Writing Errors
Appendix 3. Basic Vocabulary List
Appendix 4. Differences Between American English and British English