Abstract
1. Introduction
2. Literature Review
2.1 Form-focused Grammar Instruction in L2 Learning
2.2 Input-based and Output-based Instruction
3. Research Design
3.1 Participants and Instructional Context
3.2 Procedure
3.3 Data Analysis
4. Result and Discussion
4.1 Output-based Instruction in Learning Articles
4.2 Output-based Instruction in Learning Prepositions
4.3 Participants' Perspectives towards Output-based Grammar Instruction
5. Conclusion
References