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UNIT 17

UNIT 17. UNIT 20. Present Perfect Progressive and. Present Perfect 現在完成式. Present Perfect. UNIT 17. Present Perfect Progressive. Present Perfect 現在完成式. 現在完成進行式. UNIT 17. Present Perfect. 現在完成式. Present Perfect 現在完成式. UNIT 17. Present Perfect Progressive. Present Perfect 現在完成式.

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UNIT 17

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  1. UNIT 17 UNIT 20 Present Perfect Progressive and Present Perfect 現在完成式 Present Perfect

  2. UNIT 17 Present Perfect Progressive Present Perfect 現在完成式 現在完成進行式

  3. UNIT 17 Present Perfect 現在完成式 Present Perfect 現在完成式

  4. UNIT 17 Present Perfect Progressive Present Perfect 現在完成式 現在完成進行式

  5. Statements UNIT 17 I have (not) been writing (since 2004). (for years). We They Present Perfect 現在完成式 Already and Yet

  6. Statements UNIT 17 He has (not) been writing (since 2004). (for years). She It Present Perfect 現在完成式 Already and Yet

  7. Yes / No Questions UNIT 17 Have you been writing (since 2004)? (for years)? Has he been writing (since 2004)? (for years)? Present Perfect 現在完成式 Already and Yet

  8. Short Answers UNIT 17 Affirmative Yes, I have. we he has. Present Perfect 現在完成式 Already and Yet

  9. Short Answers UNIT 17 Negative No, I haven’t. we he hasn’t. Present Perfect 現在完成式 Already and Yet

  10. Wh-Questions UNIT 17 How long have you been writing? How longhas he been writing? Present Perfect 現在完成式 Already and Yet

  11. UNIT 17 Present Perfect Progressive Present Perfect 現在完成式 現在完成進行式

  12. They have been living here for 5 millions years. I’ve been reading this book since Monday. Dr. Owen has been writing articles since 1990. She’s been working in Niger for a year. UNIT 17 Present Perfect 現在完成式 Already and Yet

  13. UNIT 17 Present Perfect 現在完成式 Present Perfect 現在完成式

  14. They have lived here for 5 millions years. I’ve read two books about elephants. Dr. Owen has written many articles. She’s worked in many countries. UNIT 17 Present Perfect 現在完成式 Already and Yet

  15. UNIT 17 Present Perfect Progressive VS. Present Perfect Present Perfect 現在完成式 現在完成式 對照 現在完成進行式

  16. They have been living here for 5 millions years. They have lived here for 5 millions year UNIT 17 Present Perfect 現在完成式 Already and Yet

  17. I’ve been reading this book since Monday. I’ve read two books about elephants. UNIT 17 Present Perfect 現在完成式 Already and Yet

  18. Dr. Owen has been writing articles since 1990. Dr. Owen has written many articles . UNIT 17 Present Perfect 現在完成式 Already and Yet

  19. She’s been working in Niger for a year. She’s worked in many countries. UNIT 17 Present Perfect 現在完成式 Already and Yet

  20. Let's take a look at page 224.

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