Preposition Mastery Course

Help me master prepositions in [TARGET LANGUAGE].

My level: [LEVEL]
Specific challenge: [SPATIAL/TEMPORAL/ABSTRACT PREPOSITIONS]

Please provide:
1. Overview of preposition system:
   - How it differs from English
   - Categories of prepositions

2. Spatial prepositions:
   - In/on/at equivalents
   - Direction vs. location
   - With visual diagram descriptions
   - 20 practice sentences

3. Temporal prepositions:
   - Specific times
   - Durations
   - Deadlines
   - 15 practice sentences

4. Abstract/idiomatic prepositions:
   - Verbs that require specific prepositions
   - Adjective + preposition combinations
   - 15 practice sentences

5. Preposition contractions (if applicable)
6. Cases governed by prepositions (if applicable)
7. Common errors by English speakers
8. Preposition + noun collocations (25 examples)
9. Practice exercises:
   - Fill in the blank (30)
   - Error correction (15)
   - Translation (15)

10. Answer key with explanations
11. Quick reference chart