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OXFORD PRACTICE GRAMMAR 11

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OXFORD PRACTICE GRAMMAR- 11 sau đây là giáo trình lý thuyết tiếng anh và bài tập áp dụng từ cơ bản đến nâng cao , nhằm giúp các bạn có thể tự mình ôn tập và củng cố thêm về nền tảng kiến thức môn Anh văn , tự tin đạt kết quả tốt trong kỳ thi ngoại ngữ | OXFORD PRACTICE GRAMMAR 11 THE PRESENT PERFECT 1 The present perfect tells us about the past and the present. The aircraft has landed means that the aircraft is on the ground now. B Form The present perfect is the present tense of have a past participle. I you we they have washed OR I you we they ve washed he she it has washed OR he she it s washed NEGATIVE QUESTION I you we they haven t washed have I you we they washed he she it hasn t washed has he she it washed Regular past participles end in ed e.g. washed landed finished. We ve washed the dishes. Have you opened your letter The aircraft has landed safely. How many points has Matthew scored The students haven t finished their exams. C Irregular forms Some participles are irregular. I ve made a shopping list. We ve sold our car. I ve thought about it a lot. Have you written the letter She hasn t drunk her coffee. For a list of irregular verbs see page 383. There is a present perfect of be and of have. The weather has been awful I ve had a lovely time thank you. D Use When we use the present perfect we see things as happening in the past but having a result in the present. We ve washed the dishes. They re clean now. The aircraft has landed. It s on the ground now. We ve eaten all the eggs. There aren t any left. They ve learnt the words. They know the words. You ve broken this watch. It isn t working. 12-13 More on the present perfect 14-15 Present perfect or past simple page 377 American English 11 EXERCISES 1 Form B Add a sentence. Use the present perfect. I m tired. I walk miles I ve walked miles. 1 Emma s computer is working now. she repair it 2 It s cooler in here now. I open the window 3 The visitors are here at last they arrive 4 Mark s car isn t blocking us in now. he move it 5 We haven t got any new videos we watch all these 2 Irregular forms C Look at the pictures and say what the people have done. Use these verbs break build catch see win Use these objects a film a fish a house his leg the gold medal .