Learning about Languageppt课件课堂实录

人教新课标Book 8 Unit 5 Learning about language教案

——Present Perfect Continuous Tense Teaching goals: 1. Ss will grasp the structure of present perfect continuous. 2. Ss will know about the usage in different situation

3. Ss can tell the differences between the present perfect continuous tense and present perfect tense

4. Ss can tell the differences between the present perfect continuous tense and the past tense. Important points: 1. How to enable the Ss to grasp the structure. 2. How to enable the Ss to use it in different situation. Difficult points:

How to enable the Ss to tell the differences between the present perfect continuous tense and present perfect tense, and the differences between the present perfect continuous tense and the past tense. Teaching procedure: Step One Warming up and lead-in 1. Listen to the music “Way Back into Love” and fill in the blank with words in this song. I have been living with a shadow overhead I have been sleeping with a cloud above my bed I have been hiding all my hopes and dreams away I have been setting aside time 2. Observe these sentences and tell the structure and definition.

Structure:

have/has + been + doing

Definiton:

表示动作从过去某一时间开始，一直持续到现在，或者刚刚终止，

或者可能仍然要继续下去，常伴有强烈的情感

(如：赞赏、批评、

愤怒、不耐烦等。) Step Two Usage in different situations 1. Practice the conversation and answer the questions.

Conversation

A Son：Mom.

Why has my brother been crying for 30 minutes? I can’t do my homework.

Mother: Just leave him alone. Your daddy didn’t buy his favorite toy for him.

Q:

1) When did the baby cry?

2) Is the baby crying now?

3) Will the baby continue to cry?

4) What is the son’s feeling? Conversation

B Lily:Sorry. Have you been waiting long?

Cathy: You are so late. I have been waiting for two hours.

Q: 1) When did Cathy wait for Lily?

2) Is Cathy waiting now?

3) What is Cathy’s feeling?

Conversation

C A: What’s the matter? You look so tired. B: The weather has been changing lately; I have had a lot of colds.

2. Exercise One 1)

A: Lily, the rain is so heavy. How many hours has it been raining? B: It _______________(rain) for 2 hours. It was a little annoying. A: I hope it will stop this afternoon. Then, we can climb mountains. B: So do I. 2)

A: I am sorry I have kept you waiting so long.

B: It is all right. I ________________(read) the newspapers.

3)

A Student: What is the feeling when you got the degree.

Bill: I________________ (wait) for more than 30 years to say this: “Dad, I always told you I'd come back and get my degree.”

4) A: The service is really slow here. I _____________ (try) to get the waiter’s attention for the last ten minutes.

B: I think I can not tolerate it any more. I have a class at two o’clock.

Step Three The differences between present perfect continuous tense and present perfect tense 1. The different structures

Present perfect tense: has /have done

Present perfect continuous tense: has /have been doing 2. The different definitions 现在完成时：过去的动作对现在造成影响

3. Words indicating time 现在完成时：since, so far, for + 一段时间，several / many times,

in the past (last) 10 years …

现在完成进行时：since, so far, for + 一段时间，several / many times,

in the past (last) 10 years …

all day, all night, all morning, all the time 4. The different usages

1) A: I want to play basketball with my friends.

B: Me too. But it has been raining for two days. I hope it will stop tomorrow. Then, we can play basketball together.

2) A: It has rained for three days. But now the weather is so wonderful.

B: Wow, let’s go out together for an outing, like climbing mountains.

5. The different emotions

A man: I have waited for two hours.

A woman: I have been waiting for two hours.

Step Four The differences between present perfect tense and past tense 1. The different structures

Past tense: be done 2. The different definitions

一般过去式：表示过去发生的动作或状态，和现在没有联系。

3. Words indicating time yesterday, last week, two days ago …

4. Exercise Two 1.

I am really tired. I _________________

(paint) the living

room all day and still need one more hour. 2.

So far this year we _______________(see) a fall in house prices

by between 5 and 10 percent. 3.

---Let’s see the film named Avengers III : Infinity War

--- I’d like to. But I ________________ (watch) it three times. 4.

I’m tired out. I ___________________ (shop) all

afternoon

and I don’t seem to have finished anything.

5.

As we all know, Taobao.com _________________(sell) goods to people around the world since 2003. It will last for a long time. 6. --- Where _____Tom ______(go)? I don’t see him here.

---He __________(go) shopping. He ______(go) five

minutes ago. 7. --- I can’t find my gloves. ______ you ______(see) them?

--- Yes. You ____(leave) them in the car yesterday. I

___________(put) them back in your drawer. 8. The tape recorder ______(be) out of order last week. We _____(have) it repaired the day before yesterday. It ___________(be) in good condition ever since. 9. I can’t lock the door. I ________(lose) my key. I _____(lose) it while I ______(be) out.

Step Five Speaking Work in pairs and practice speaking. Q1: What have you been doing all the morning? Q2: How long have you been doing your homework? Q3: Why have you been doing your homework?

Step Six

Summary Structure: has / have been doing Definition & Usages:表示动作从过去某一时间开始，一直持续到现在，或者刚刚终止，或者可能仍然要继续下去，常伴有强烈的情感(如：赞赏、批评、愤怒、不耐烦等。)Differences:Structure:Definition:一般过去时：be done现在完成时：has / have done过去发生的动作一般过去时：过去发生的动作对现在有影响现在完成时：时间词：现在完成时：since, so far, for +一段时间，in the last 10 years …一般过去时：yesterday, last week, two days ago …