📖 Grammar Guide — คู่มือไวยากรณ์
1. If + had + V3, would have + V3
ถ้า + had + V3, would have + V3
If we had backed up the data, we would have recovered it quickly.
If they had set a lower RPO, they would have lost less data.
If they had set a lower RPO, they would have lost less data.
2. Negative third conditional
เงื่อนไขที่สามปฏิเสธ
If we hadn't had redundancy, we wouldn't have survived the outage.
If the company hadn't implemented failover, the service would have gone down.
If the company hadn't implemented failover, the service would have gone down.
3. Could have / might have + V3
อาจจะ + V3
We could have prevented the disaster if we had tested our backup.
The RTO might have been shorter with better planning.
The RTO might have been shorter with better planning.
4. Mixed modals in third conditional
modal ผสมในเงื่อนไขที่สาม
If they had followed the 3-2-1 rule, they should have been fine.
If you had configured failover, you could have avoided downtime.
If you had configured failover, you could have avoided downtime.
📝 เลือกระดับความยาก — Choose Difficulty
ℹ️ About This Exam / เกี่ยวกับการสอบ
English: This exam tests Third Conditional through backup & disaster recovery vocabulary and scenarios.
ไทย: แบบทดสอบนี้ทดสอบ Third Conditional ผ่านคำศัพท์เกี่ยวกับ การสำรองข้อมูลและกู้คืนจากภัยพิบัติ
- 🌱 Easy / ง่าย: 10 ข้อ — พื้นฐาน / basic
- 🔍 Medium / ปานกลาง: 15 ข้อ — ผสม / mixed
- 🏆 Hard / ยาก: 20 ข้อ — ขั้นสูง / advanced