Yes, you can definitely use previous year GRE questions to practice strategies for specific question types. Here's how:

1. Identify the Question Types:
- Start by familiarizing yourself with the different question types that appear on the GRE. These include reading comprehension, sentence equivalence, text completion, quantitative comparison, and problem-solving.
- Look for patterns and common themes within each question type to understand the specific strategies required to tackle them effectively.

2. Analyze and Understand the Questions:
- Carefully analyze the questions from previous years to understand the underlying concepts and techniques required to solve them.
- Pay attention to the structure and language of the questions to get a sense of how they are framed and what information is being tested.
- Identify any recurring patterns or tricks that the GRE often employs to challenge test-takers.

3. Practice Time Management:
- Use previous year GRE questions to practice time management skills. Set a timer and try to solve the questions within the allocated time limit.
- This will help you become accustomed to the pace of the actual GRE exam and ensure that you can complete all the questions within the given time frame.

4. Develop Strategies for Each Question Type:
- Once you have identified the different question types, develop specific strategies for each type.
- For example, for reading comprehension questions, practice skimming and scanning techniques to quickly locate relevant information.
- For text completion questions, learn how to identify clues from the surrounding context and use process of elimination to narrow down the choices.
- For quantitative comparison questions, practice simplifying complex expressions and understanding the relationship between variables.

5. Review and Analyze Mistakes:
- After attempting the previous year GRE questions, thoroughly review your answers and analyze any mistakes or areas of weakness.
- Understand why you made those mistakes and identify the gaps in your knowledge or approach.
- Use this feedback to further refine your strategies and focus on improving your weak areas.

6. Seek Additional Resources:
- While previous year GRE questions can be a valuable resource, it's also important to supplement your preparation with other study materials, such as GRE prep books, online courses, and practice tests.
- These resources can provide you with additional practice opportunities and a wider range of question types to further enhance your skills.

In conclusion, using previous year GRE questions to practice strategies for specific question types is an effective way to prepare for the exam. By analyzing the questions, developing targeted strategies, and reviewing your performance, you can improve your understanding of the test format and enhance your chances of achieving a high score in the GRE.