1、Unit10. Ive had this bike for three years. Section a (Grammar focus-4c) 教学设计 教学目标：1 使学生熟练掌握现在完成时的各种用法 2 使学生学会正确使用 for 和 since 教学难点：1 延续性动词与非延续性动词的转化 2 现在完成时与一般过去时的区别 重点单词：Camera, hometown 重点句型:1. Jim has been in Japan for three years. 2.-Have you ever played football？ -Yes，I did when I was little, b
2、ut I havent played for a while. 教学步骤: Step 1.Greeting and lead-in. Let students read the sentences in Grammar focus loudly. Then lead in the present perfect tense. Step2.Presentation 1. Present all the aspects of present perfect tense on the screen. 现在完成时的构成，现在完成时的用法，时间状语，for 和 since 的用 法,have gone
3、to 和 have been to, have been in 的用法，短暂性动词与 可延续性动词，现在完成时和一般过去时的区别。 2. Review the grammar one by one with the students. Step3. Practice. Task one: do the exercise about for and since(for 和 since 的用法比较) Task two: do the exercises about have gone to, have been to, have been in（去过某地，去了某地，在某地待了多长时间） Task
4、three: do the exercises about correct the sentences. （延续性动词与 非延续性动词） Task four: fill in the blanks with the correct forms of the verbs. （一般过去 时与现在完成时） Step4. Consolidation. Task one: ask students to finish 4a in the book, then check the answers. Task two: ask students to finish 4b in the book, then check the answers. Step 5. Oral practice4c Step 6. Homework：Finish the exercises in the exercise book.
