江苏省徐州市王杰中学高中英语 Module2 Unit1 Tales of the unexplained grammar 1 导学案 牛津译林版必修 2 锁定目标 找准方向备注 Learning aims 1. Learn how to form and use the present perfect tense.2. Understand when the present perfect continuous tense is used in sentences. 自主预学 摸清学情预学指导：1.学生自主预习课文中的 grammar 部分 2.完成预习讲义中的部分预学检查：检查课文预习的情况，根据讲义做的情况进行讲解合作探究 携手共进Step 1 Lead- inGo over the news story on Page 2 and find the sentences using the present perfect tense. Please explain why the tense is used in these sentences.Step 2 Present perfect tense1. The form of the present perfect tense: has/have done.2. Talk about the uses of the present perfect tense. A. We use the present perfect tense to talk about things that happened in the recent past, but are connected to the present. 表示过去发生的事对现在仍有影响。The disappearance of Justin has made Kelly very unhappy. (Justin 在过去失踪，但 Kelly 至今仍旧为他的失踪感到不高兴。) B. We also use the present perfect tense to talk about something that started in th e past, and is still happening now. 表示过去开始的动作一直延续到现在。I have not seen Justin since last Friday night. (从上周五晚上到现在一直都没有见到过。)C. We use the present perfect tense when the exact time of an action is not clear or important. We use it with time expressions such as: already ever for just lately never recently since yet Exercise: Complete the following sentences with the proper tense (1) We have studied (study) English for about five years.(2) They have lived (live) in the south since their daughter was born.(3) I have read (read) your article three times. It’s well written (4) The student has finished (finish) her homework already...
