What it is: A tense connecting the past to the present. What it’s for: Talk about experiences, results now, and unfinished time. Example: “I have finished my homework.” (Result: it’s done now)

• Affirmative: S + have/has + V3
  1. I have eaten. / She has eaten.
• Negative: S + have/has not + V3
  1. He hasn’t seen it.
• Question: Have/Has + S + V3?
  1. Have you ever been to Da Nang?

• Experience: “I’ve been to Japan.”
• Result now: “She has lost her keys.” (she can’t open the door now)
• Unfinished time: “I’ve worked a lot this week.” (this week isn’t finished)

• ever, never, already, yet, just, since, for, this week/today

• “I have saw” ❌ → “I have seen” ✅
• “I’ve finished yesterday” ❌ → use Past Simple: “I finished yesterday” ✅

• *result* /rɪˈzʌlt/: kết quả
• *connect* /kəˈnekt/: kết nối
• *since* /sɪns/: từ (mốc thời gian)
• *for* /fɔː/: trong (khoảng thời gian)