1、1 Revise the present perfect tense TeachingAims and Demands 1 Knowledge Objects A. Revise the present perfect tense and the key words. B. Target Language 1).He has had a big breakfast. 2). What has happened to him/her? 3). He has just lost his job. She has just got a good job. 4). We have studied in
2、 our school for two years. 5). Peter has played tennis since last year. 2Ability Objects 能把现在完成时运用到具体问题中。 3 Moral Object: Nothing is impossible if we work hard. . Teaching Key Points 重点:1. 熟练现在完成时的用法。 2. 区分一般过去时与现在完成时。 . Teaching Difficult Points 能具体分析现在完成时。 IV. Teaching Methods 1 Teaching by giving
3、 sample sentences 2 Teaching by showing pictures V. Learning strategies Using what you know, Inferring content 教学过程:教学过程: Step 1 Warm up 2 Show the teaching aims to the students before the class. Greet the class. Invite students to answer the questions on the screen. Lead to revise the present perfe
4、ct tense. Step 2 Look and think Revise the function and the structure of the present perfect tense. 功能: 1. 表示过去发生或已经完成的某一动作对现在造成的影响或结果。 e.g.He has had a big breakfast. (现在他不饿了。) 时间状语:already, yet, just, ever, never, before 2. 表示动作或状态从过去某一时刻开始,一直延续到现在,而且可能还要继续 下去。 e.g.He has learned English for six y
5、ears. already 和 yet 都可以作为现在完成时的标志词,但它们的用法不同。 already 一般用于肯定句中。yet 一般用于疑问句和否定句中。 结构: 助动词 have / has+ 动词的过去分词,规则动词的过去分词构成与过去式相 同,不规则动词的过去分词则需逐个记忆。 规则变化: 不规则变化: 3 句式: 1. 肯定句:主语 + have / has + 过去分词 (+ 其他) 2. 否定句:主语 + have / has + not + 过去分词(+ 其他) 3. 一般疑问句:have/ has + 主语 + 过去分词(+ 其他) 4. 特殊疑问句:疑问词+ have/h
6、as + Step 3 Find out the key words. What are the key words for the Present Perfect Tense? Give students examples and ask them to point out the key words. Explain the use of each key word. Step 4 Compare the past tense with the present perfect tense. Have students fill in the blanks with the correct
7、forms of verbs. According to the key words, help students find out the differences. Step 5 Revise the usage of “for” or “since”. Give students two minutes to be ready, then show them questions. Have them correct each sentence and give the reason. 4 Step 6 Preparing for the entrance exam Have students finish the Mid-term exam, try to give the correct answers. Step 7 Unusual but wonderful thinking Help students to remember the rules of the past participle. Step 8 Summary Step 9 Homework: Step 10 Teaching reflection: