Bài giảng Tiếng Anh - Review Grammar - Trương Văn Ánh

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  1. Teacher: Ho Hai Long
  2. PART 1
  3. Past perfect: Talking about the frist of two actions in the past EXAMPLE • Pterosaurs disappeared. Pterosaurs had already • Modern birds evolved. disappeared by the time modern birds evolved By the time human • The capability of filght develop four tried to fly, the times in animals. capability of filght had • Human tried to fly. developed in four groups of animals.
  4. Past perfect: Talking about the frist of two actions in the past CONCLUSION • We use the past perfect tense (had/hadn't + past partical) to talking about a completed action that happened before another action in the past. • We can use certain time expressions with the past perfect, such as long before, before, by the time and until that time
  5. PART 2
  6. Past perfect continuous: Talking about the frist of two actions in the past EXAMPLE • The Wright brothers had been working on powered flight for several years before Wilbur Wright flew for 2 hours and 19 minutes in 1908. • Before Louis Bleriot first crossed the English Channel in an aeroplane in 1909, pilots had been using hot-air balloon.
  7. Past perfect continuous: Talking about the frist of two actions in the past CONCLUSION • We use the past perfect continous (had/hadn't + been + past participle) to describe a continous action (something that had been happeening), before another action in the past.
  8. PART 3
  9. Present and past conditionals: Talking about unlikely (but possible) or impossible situations EXAMPLE Unlikely but possible • If I were a scientist, I would focus my research on Saturn. • He would be a space tourist if he had the money.
  10. Present and past conditionals: Talking about unlikely (but possible) or impossible situations EXAMPLE Impossible • If I had known there was a talk about Mars, I would have gone • They could have fixed the rover if they had equipped it with better tools
  11. Present and past conditionals: Talking about unlikely (but possible) or impossible situations CONCLUSION READ IN THE BOOK