现在完成时教学设计

现在完成时

一、教学目标：

1.复习现在完成时的构成和两种基本用法。

2.现在完成时与一般过去时的区别。

3.have been to, have gone to和have been in的用法。

二、教学重点：

现在完成时的两种基本用法。

三、教学难点：

1.现在完成时与一般过去时的区别。

2.have been to, have gone to和have been in的用法。

四、教学过程：

Step 1 导入

Translate the following sentences

1. I have lived in Beijing.

2. He has already seen the film.

3. I have not had his lunch yet.

4. She has not visited your school before.

5. Have you ever been to the Forbidden City before ?

6. I have never been to that farm before.

7. I have just lost my English book.

Step 2 新课讲授：

1. 现在完成时的定义：

现在完成时表示到现在为止已经完成或仍在持续的动作、状态；

强调对现在的影响或联系。

2.结构:have/has+p.p.(动词过去分词)

肯定句式：现在完成时的肯定句式是“have（has）＋过去分词”。如：

①We have just finished our homework．

②She has gone home．

注意：

1）该句式中的have或has是助动词，has用于第三人称单数，其它人称一律用have。

2）该句式中have（has）和过去分词之间可用just插入。

3）把该句式译成汉语时，往往用“已经”、“刚刚”、“过”或“了”等。

否定句式：现在完成时的否定句式是“haven't（hasn't）＋过去分词”。如：

⑥We haven‘t studied Unit 2 yet．

⑦The train hasn't stopped yet．

疑问句式：现在完成时的一般疑问句式是把助动词have或has 提到主语之前。

③Have you read this story book yet？

特殊疑问句及反意疑问句结构如下：

④What have you done with my bike?

⑤You've read this story book, haven't you?

注意：1）现在完成时的一般疑问句往往在句末加yet。

2）把现在完成时的一般疑问句译成汉语时，

往往译成“……过吗？”、“已经……了吗？”等。

3）其肯定回答用“Yes，．．．have（has）．”，

否定回答用“No，．haven't（hasn't）．”，有时用“No，not yet．”

或“No，never．”。

3．现在完成时常与一些词、词组连用:

1、ever（曾）、never（未曾）、already（已经）、

yet（仍、还）、just （刚刚）、before（以前)

2、for +一段时间:for two days 有两天了

3. in the past/last＋一段时间:in the past ten years 在刚过去的十年里

4. since +过去某一个时间:since 1991 : 自从1991年到现在

一段时间+ ago since 14 years ago: 自从14年前到现在

一般过去时句子: since I was born : 自从我出生到现在Step3: practice

Multiple choice

1. You’ve never seen such a wonderful film b efore, _______?

A haven’t you

B have you

C do you

D don’t you

2. --Ann has gone to Shanghai. ---So ________ her parents.

A. do

B. does

C. has

D. have

3. – I have watched the game.

--When ____ you ____ it?

A have watched

B do watch

C did watch

D will watch

4. Mr. Green ____ in China since five years ago.

A lived

B has lived

C lives

D is going to live

5. His grandma ______ for two years.

A died

B has been dead

C was dead

D has died

6. –Where is Han Mei now?

--- She ____ to Shanghai. She will be back in two days.

A has gone

B has been

C goes

D had gone

7. ---_____ to the United Stated ? ---- No, never, but I went to Canada

a few years ago.

A. Did you go

B. Do you go

C. Have you been

D. Have you gone

8. You haven’t changed your mind,_______?

A do you

B are you

C have you

D did you

Step 4: summary

Step 5: homework