英语人教版七年级上册现在完成时态的用法(一)和常与现在完成时态连用的副词。

英 语 公 开 课 教 案
授课人：李永明
1 教学内容：
现在完成时态的用法（一）和常与现在完成时态连用的副词。
2 教学目的和要求：
A 知识目标：通过教学，使学生熟练掌握现在完成时态的构
成和基本用法，并熟练掌握与之连用的副词。
B 能力目标： 提高学生运用所学知识进行解决问题的能力。
C 德育目标： 通过学习使学生树立较强的自信心，形成克
服困难的意志。
3 教学重点和难点：
A 重点：要求学生正确理解现在完成时态的用法。
B 难点： 现在完成时态与一般过去时态的用法区别。
4 教学手段：主要以多媒体辅助教学贯穿整个教学过程。
6 课型： 新授课（语法教学课）
7 教学时间：1个课时。
8 授课时间： 2006年12月12日第三节课。
9 教学过程：
Step 1 Orgonization:
Greets: Good morning! Boys and girls, Who is on duty today?
--- ---
Step 2 Revision:

复习一般过去时态和一般现在时态
1 He closed the door.
2 I put the books on the desk
3 We came into the classroom
用法；一般过去时态表示在过去时间发生的动作。
1 The door is closed now.
2 The book is on the desk now.
3 We are in the classroom now.
用法：一般现在时态表示现在存在的情况或状态。
Step 3 Presentation:
(1) 讨论：如何把两个句子合并成一个句子？
1 He closed the door. The door is closed now
→He has closed the door.
2 I put the books on the desk. The book is on the desk now .
→I have put the books on the desk.
3 We came into the classroom .We are in the classroom now.
→We have come into the classroom.
→得出：现在完成时态的构成：
助动词havehas+动词的过去分词
(2) 复习动词的过去式和过去分词：
说出下列动词的过去分词：
1 do 2 see 3 go 4 bring 5 sit 6 study 7 read

8 make 9 find 10 amisare
(3) 思考： 现在完成时态的用法是什么？
今天我们学习现在完成时态的第一种用法：
～表示过去发生的动作对现在造成的影响或结果。
强调：这种时态必须是过去的动作与现在的结果的结合体。
注意：只强调过去的动作用一般过去时态；只强调现在的结果也只
能用一般现在时态。
（4）体会现在完成时态的用法：比较以下几组句子。
1 He cleaned the classroom. The classroom is clean now
（过去的动作） （现在的结果）
→He has cleaned the classroom.
2 I wrote a word just now. The word is on the wall.
（ 过去的动作） （ 现在的结果）
→I have written a word on the wall.
3 She turned on the lights. The lights are on now.
( 过去的动作） （现在的结果）
→She has turned the lights.
(5) 学习常与现在完成时态连用的副词
just. ever. already. yet. before. never
1 Have you just come from Beijing?
Yes,I have just come from Beijing.
(just“刚刚”常用在肯定句或否定句的助动词之后）

2 Have you ever seen this movie?
(ever “曾经”，常用在一般问句之中）
3 She has already written a letter to her father.
( already “已经” ，常用在句中，助动词之后）
4 Have you brought your photos yet?
No,I haven’t brought your photos yet.
(yet “已经“用于一般问句之尾； “还”用于否定句之尾）
5 They have (not) made a model ship before.
(before “以前“ 用于肯定句或否定句的句尾）
6 We have never seen such a good car.
( never “从来没有”位于助动词之后）
Step 4 Practise
（1）用所给词的现在完成时态填空.(3分钟完成)
1 He ( read) a book. → He has read a book.
2 She (sit) on the floor. →She has sat on the floor.
3 They (see) a new movie. → They have seen a new movie.
4 I (bring) some story books here.
→ I have brought some story books here.
5 Lilei and Lintao (go) to Beijing.
→ Lilei and Lintao have gone to Beijing.
6 You (study) a new lesson. → You have studied a new lesson.
(2) 把下面的句子变成一般问句和否定句。

1 He has read a book.
Eg:Has he read a book? Yes,he ,he hasn’t.
He hasn’t read a book.
2 She has sat on the floor.
3 They have seen a new movie.
4 You have brought some story book here.
5 I have studied a new lesson.
（3）朗读上面含有副词的现在完成时态的句子，领会副词的作用。
Step 4 Setting homewort:
P3 N0.2。