现在完成时教学设计
-，教学目标 ：
1，现在完成时的构成及用法
2利用现在完成时解决实际问题。 =，教学步骤： Step1, Free talk: 1, What did you do last week ? 2, What are you doing now ? 3Where is Jim ? Step2 Discuion: Show some sentences to the Ss ,let the Ss discu and find out the similarities and the differences of these sentences.1, I have been to Shanghai.2, She has been to Shanghai.3, They have been to Shanghai.4, I haven’t finished my homework.5,Has he finished his homework? 6,You have finished your homework.Conclusion:1, S + have/has + done.
2, Have/has + S + done? 3,S + have/has not + done.Step3, Presentation:
1, Do some gestures, then give Ss some sentences, let them gu the meanings.For example: a, I have given a book to Dave.b, I have written some words on the Bb.Conclusion: 现在完成时用来表示过去发生的动作对现在造成的影响或结果。
2， Give Ss these sentences: a, I have taught English since 5 years ago.b, You have been in this school for three years.Conclusion: 表示从过去开始一直延续到现在的动作或状态。注意非延续性动词与延续性动词的互换。 Step4 Revision: 现在完成时的构成，用法，及句式。 1， S + have/has + done.2， S + have/has not + done.3， Have/has + S + done? Step5, Exercise: Ask the Ss to talk about their hobbies or their experience.For example: a, Have you ever collected stamps? b, Have you ever been to Hainan?
Step6, Homework: 让学生用现在完成时谈论他们的假期生活。例如，他们去过那儿，参观过那些名胜，呆在那儿多久，等等。
