tailieunhanh - OXFORD PRACTICE GRAMMAR 11

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 . 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 .

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