现在完成时-教学设计（全英文-超详细）

Ⅰ.Teaching aims:

1. Knowledge:

a. The structure of the present perfect tense.

b. The usages of present perfect tense.

2. Ability:

a. Enable students to use the correct tense in their writing and speaking.

b. Enable students to use the right words in the present perfect tense.

3. Feelings and attitude:

a. Let the students know the importance of English grammar.

b. Try to build up students’ confidence in themselves

c. Encourage students to speak English in public.

Ⅱ. Important Points:

a. let the students understands the usages of present perfect tense.

b. The differences between past simple tense and present perfect tense.

Ⅲ. Difficult Points:

Help students use present perfect tense with verbs to describe events happen at a particular point in time and to describe events that can continue over a period of time.

Ⅳ.Teaching methodology:

The New Senior English Curriculum Standards aims education for all students and stressed quality-oriented education. The main task of education is to stimulate and cultivate students’ interest and their confidence in learning the language, help them develop good learning habits and form effective learning strategies, facilitate autonomy and cooperative spirit in learning ; enable students to master basic English language knowledge and skills in listening, speaking, reading and writing.

According to the new standards, the students should be the center of the class and the teacher serves as a controller, organizer, participant, or resource-provider most times. Considered with the characteristic of the teaching contents and the learners, I will apply explanation and practicing in my teaching. Most of the usages will be summarized by students themselves.

Ⅴ.Teaching aids

A computer, a projector, black board, chalks

Ⅵ. Teaching procedures:

Step1. Revision & lead-in (2min)

1.Invite students to read sentences using present perfect tense they have found before the class.

S1: I’ve seen quite a lot of China.

S2: I’ve visited some beautiful cities.

S3: They have just completed it.

S4: ...

2. Show some sentences on the board.

1). They have put up a lot of high-rise buildings recently.

2). My wife’s just bought a beautiful dress from one of the shops there.

3). It’s got some really pretty parks.

4). A friend’s told me about a nice fish restaurant.

Step2. Present perfect tense

1. The structure of present perfect tense.

After reading these sentences, ask students to find the structure of these sentences with present perfect tense.

1). have/has+done

2). have/has+not+done

3). Have/has+been+done

2. The usage of present perfect tense

Play the flash (a pig and his mom), and tell students to recall the main usages of this tense.

Q: the story happens in the past, but the pig and his mom use present perfect tense to describe it, can you tell me the reason?

Draw a time line on the blackboard:

1). Usage1: “完成用法”

①强调过去发生的动作对现在造成的影响或结果，常用状语有：already, yet, never, ever, just, before ...

I have just cleaned my hands.

I have lost my wallet.

I have already finished my homework. I am free.

②Show the following sentences and have students summarize the difference between the past simple tense and present perfect tense.

He has already read that book. (说明他现在知道那本书的内容)

He read that book last year. (只说明他去年读过那本书 )

He has gone to America. (他现在不在此地, 在美国)

He went to America eight weeks ago. (只说明他去过美国)

summary：一般过去时表示过去发生的动作或存在的状态，与现在情况无关，常用时间状语为yesterday, last year, in the past等，而现在完成时与现在有关。

③show two pictures and guide students to describe them with present perfect tense.

He has just lost his job.

She has just got the letter .

2). Usage2: “未完成用法”

表动作或状态已开始，持续到现在，可能还会继续进行下去，常用时间状语since+时间段ago/时间点/从句, for+时间段,since then,ever since,so far,up to now.

I have lived here since 2003.

I have studied English for seven years.

Up to the present everything has been successful.

He has stayed here since 5 hours ago.

Step3. Two kinds of verbs

1. The definitions

1). Lead in this part by asking students a question:

Q: the pig said “It’s died for a couple of days” first, then he changed it to “It’s been dead for a couple of days”, do you know the reason why the first sentence is wrong?

现在完成时的未完成用法只适用于延续性动词，短暂性动词的现在完成时的肯定式不能和表示一段时间的状语连用。

2). Show two groups of words and lead students to get the definitions.

①短暂性动词: 表示短暂的运动状态（瞬间完成或延续时间很短的动词).(start, begin, come, go, leave, arrive, reach, join, marry, open, close, give, lend, borrow, finish, break, see, hear, notice, find, understand, die ...)

②延续性动词:表示持续的行为或状态的动词,能和表示一段时间的状语连用.(be, keep, have, live, study, work, teach, stay, read, play, fly, talk, rain, run...)

2. Replacement of these two kinds of verbs

Help students know the corresponding verb of verb describing events happen at a particular point in time with a group of correction exercises.

1) She has bought the computer for two years.(buy---have)

2) Ann has gone to China since six months ago.(come/go to---be in; leave---be away)

3) My brother has joined the army for five years.(join---be in/ a member of)

4) I have borrowed the dictionary since 3 days ago. (borrow---keep)

5) The film has begun for 10 minutes.(begin/start---be on)

6) The match has finished for half an hour.(finish---be over)

7) His dog has died for two years.(die---be dead; marry---be married)

Step4. Exercises

Show the exercises on the board and have students do them together.

1. The old worker _____ in our factory for 30 years.

A.had worked B. has worked C. worked D. works

2. It___ten years since they____to France.

A. was; moved B. was; have moved C. is; has moved D. is; moved

3. --- How are you today?

--- Oh, I ____ as ill as I do today for a very long time.

A. didn’t feel B. wasn’t feeling

C. don’t feel D. haven’t felt

4. It is the third time you __ late this week.

A. had arrived B. arrived C. have arrived D. are arriving

5. we _____more than 3000 trees in the past three years.

A. plant B. Planted C. had planted D.have planted

6. Mr. Wang isn't here. He _____the station to see his friend off.

A. has been in B. has been to

C. has gone in D. has gone to

7. --- ___ Tom and Lucy ___ married?

--- For about three years.

A. How long have; been

B. How long have; got

C. How long were; being

D. How long did; get

Step 5. Summary & homework

1.Summary.

After finishing the exercises, let several students stand up and repeat what they have learned this class, then if necessary, the teacher adds something they missed.

2. Homework

Complete the activity2 on Page34, and the grammar part in the exercise book (Page43).

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