1、课题名称Grammar and usage(1)课型新授课课时No.3【学习目标】掌握现在完成时态的用法【学习重点】掌握现在完成时态的用法 【学习难点】如何掌握好现在完成时的意义及其用法【学法指导】练习、合作学习、讨论课前自主学习 一.复习一般过去时态的用法二.找出Boy missing, police puzzled 课文中使用现在完成时态的句子,并且讨论句中为什么要使用这一时态.课中合作探究1.现在完成时的构成: .2.现在完成时的用法.The boy is very happy.The boy _ _ (catch) a bird.总结:现在完成时表示: .Daniel _ _(live
2、) in Beijing since he came to China.总结:现在完成时表示: 等表示一段的时间状语.The boys are tired. They _ _(just play) a ball game.总结:现在完成时表示: . .I _to Egypt in 1986. I to Egypt in 2004. I _ _ (be) to Egypt twice.总结:现在完成时表示: 等时间状语._ it ever _ _(snow) in Hong Kong?No, it _ _ never _ _ (snow) there.总结:现在完成时表示: 此情况常带有 等时间
3、状语.3.注意的事项A.使用现在完成时态的句型有:1)主语+ (present perfect tense) +since-clause. 2) This (That/It) is the first (second) time + that-clause (present perfect tense). 3) This (That/It) is the only + that-clause (present perfect tense). 4) This (That/It) is the best/ finest /most interesting + that-clause (presen
4、t perfect tense).B.短暂性动词使用现在完成时态时不与一段时间连用.判断正误: 我买一本新词典已有一星期了 I have bought a new dictionary for a week. ( ) I have had a new dictionary for a week. ( )他们来这儿已经两天了.They have been here for two days.( )They have come here for two days.( )他已入团两年了He has joined the League member for two years.( )He has be
5、en the League member for two years. ( )课堂自主检测一.用动词的适当形式填空.1. I never (hear) of that before. 2. She just (finish) her homework3. you ever (ride) a horse?4. - you (milk)the cow yet ? -Yes, I (do)that already. 5. I (not see)her these days.6. She (learn)English for three years. 7. They (live) here since
6、 1990.8. What (happen)to the USA in the last 350years? 二.单项选择1.Lilei the pen for five years.A. has had B. bought C. have bought 2. Its three years since he the army. A. has joined B. has been in C. joined3.I have been here 4 years. A. since B. for C. from4.We have learnt English six years ago. A. since B. for C. from5.My brother the army for 5 years A. has joined B. has been C. has been to6.In the past ten years the workers many houses.A. have built B. had built C. built课后自主巩固. 用动词的适当形式完成Page 8日记短文.