Advanced passive
Introducedแบบถูกกระทำ在任何时态

- แบบถูกกระทำไม่ใช่แค่ปัจจุบันและอดีต — มันใช้ได้กับ ทุก tense
- เพียงเปลี่ยน be; Past participle保持不变
- It has been done. It will be done. It is being done.
The cake had been eaten before anyone admitted to seeing it.
โครงสร้าง Across tenses
- Present perfect: has / have been + p.p. → The bridge has been repaired.
- Future: will be + p.p. → The work will be done soon.
- Modal: must / can be + p.p. → It must be finished today.
Passive เดียวกัน สี่ tense
Passive ตามทุก tense — เฉพาะ 'be' เปลี่ยนรูป; past participle ไม่เคลื่อนที่
เลือก Present perfect passive: The bridge ⟦has been repaired⟧.
Present perfect passive = has/have been + past participle.
เติม Future passive: The work will ⟦be⟧ done soon. (one word)
Future passive = will be + past participle: “will be done”.
Passive reporting (it is said that …)
- เพื่อรายงานความคิดเห็นทั่วไปโดยไม่ระบุผู้พูด: It is said / believed / thought that …
- หรือ: subject + is said / believed to + verb
- It is said that he is rich. = He is said to be rich.
Is “It is said that he is rich.” a correct passive reporting structure?
Yes — “It is said/believed/thought that …” reports an opinion impersonally.
Translate into English: 据说他很有钱。
Impersonal report → “It is said that he is very rich.”
ทำไมต้องใช้มัน
- พบบ่อยในข่าวและการเขียนแบบทางการ
- รายงานข้อมูลที่ยังไม่ยืนยันอย่าง ** объекตively**, โดยไม่มีแหล่งที่มา
ข้อผิดพลาดทั่วไป
- ❌ The bridge has repaired. → ✓ The bridge has been repaired. — อย่าลบลบ been
- ❌ The problem must be solve. → ✓ …must be solved. — modal + be + participle
- ❌ He is said that he is rich. → ✓ It is said that he is rich. / He is said to be rich.
Match the tense to its passive shape.
be carries the tense; the participle never changes.
Complete with one word: The road is ⟦being⟧ repaired at the moment.
Continuous passive: is / are being + participle.
- Passive = be (any tense) + past participle
- Perfect: has been + p.p.; future: will be + p.p.
- It is said that … รายงานความคิดเห็นแบบไม่มีตัวตน
Write one passive sentence using a perfect or future tense (for example: “… has been built”, “… will be opened”).
Example: “A new library has been built in our town.”