初中现在完成时讲解与练习20842.pptVIP

※短暂性动词与延续动词间的转换 leave-- come/go (to) -- arrive (at/in)-- get (to)-- reach-- buy-- borrow-- finish-- join-- start/begin-- die-- close-- open-- return-- marry-- become-- be away (from) be (in/at) be (in/at) be (in/at) be (in/at) have keep be over be in/be a/an… be on be dead be closed be open be back be married be ? 翻 译 练 习： 1.我买了这块手表五年了。 2.这位老人已经死了十年了。 I have bought this watch for five years. I have had this watch for five years. The old man has died for ten years. The old man has been dead for ten years. W W 下一页 上一页 主菜单 3.他已经回来三天了。 4.自从六点钟他就来这儿了。 5.我离开家乡已十年了。 He has come back for 3 days. He has been back for 3 days/since 3 days ago. He has come here since 6 o’clock. He has been here since 6 o’clock. I have left hometown for 10 years. I have been away from hometown for 10 years. W W W 下一页 上一页 主菜单 method 2: It is + 时间段 since + 一般过去时的句子. 他的爷爷已经去世2年了。 Nick 参军3年了. 他离开深圳好长时间了。 这本书我已借了4个月了. It is 2 years since his grandpa died. It is 3 years since Nick joined the army. It is a long time since he left Shenzhen. It is 4 months since I borrowed the book . He died 10 years ago. --- He has been dead for 10 years / since 10 years ago. 2. He borrowed the book 2 weeks ago. --- He has kept the book for 2 weeks. 3. He bought the motorbike a month ago. ---He has had the motorbike for a month. 4. He arrived here three days ago. --- He has been here since three days ago. 5. They turned on the light 2 hours ago. --- The light has been on for 2 hours. 延续性动词和瞬间性动词之间的转化 (keys) 6. He left here 2 years ago. --- He ____ ____ ____ from here for 2 years. 7. The film began 30 minutes ago. --- The film ____ ____ ____ for 30 minutes. 8. They opened the door an hour ago. --- The door ____ ____ ____ for an hour. 9. They closed the door an hour ago. --- The door ____ ____ ____ for an hour. 10. He joined the army last year.