人教版初中英语八年级下册unit6导学案

Unit 6 How long have you been collecting shells?

Section A (1a – 2c)

Period 1

一． 学习目标

现在完成进行时

1． 用法；表示从过去某一时间开始一直延续到现在的动作，并有可能持续下去，也可以表示从过去到现在的重复性动作。

2． 构成；have/has been + 现在分词

3． 注意；动词为延续性动词。

4． 时间状语；since + 时间点或从句（从句用一般过去时）：for + 时间段

二． 温故互查

Pairwork.

Discuss the questions in 1a.

三． 自主探究

1. 区别： how long ; how often , how far ,

how soon , how many/much , how old

2. Listen and finish 1b.

3. Pairwork.(1c)

A；How long has Alison been skating?

B: She’s been skating for five hours?

A: How long did Sam skate?

B: He skated for four hours.

4. Listen and finish 2a, 2b.

5. Pairwork. Role play the interview.

四． 自我检测

单项选择

（ ）1.—— How long ____ you ____

stamps?

—— Since two years ago.

A. did ; collect

B. have , been collecting

C. are , collecting

（ ）2. I have been practicing the

violin ____ 1998.

A. for B. since C. in

( ) 3.—— ____ have you been

teaching English? —— For about ten years.

A. How long B. How soon

C. How many

( )4. Tom has been collecting shells

____ five years.

A.since B. for C. in

( )5.—Can I help you? —I’d like

to buy________ for my twin sons.

A. two pairs of shoes B. two pair

of shoes C. two pair of shoe

( )6. It was my first ____ marathon.

A. skate B. skating

C. to skate

( )7. —____ have you been learning

English?

—I have been learning English for

six years.

A. How long B. How often

C. How far

( )8. Sam ____ Chinese since he came

to China.

A. learns B. learned

C. has learned

( )9. —____ did you start riding?

—____ I was eight years old.

A. When, Since B. How long,

Since C. When, When

五． 巩固练习

一、用括号中所给词的适当形式填空。

1. She is ______ (interest) in history

very much.

2. --How long____you_____(do) that?－For about four years.

3. The young man ______(skate) since he

was eight years old

4. He’d like_____(collect) shells

because they are beautiful.

5. When I was twelve,I_____ (start) to

play tennis.

6. There are about three

________(thousand) students in our

class.

7. Thank you for ___________ (help) me

with my English.

8. You have been _________ (play)

computer games for a long time. It is

bad for your eyes.

9. Our teacher told us some

_____________(different) in food

between ___________(west)

countries and China.

10. In China people don’t eat

___________ (separate). They usually

order food to share.

11. English is very ______ (use). So we

should try our best _________ (learn)

it well.

二、句型转换。

1.She have been working for ten hours.（改为一般疑问句）

____ she ____ ____ for ten hours?

2. I’ve been skating since I was six

years old.（对画线部分提问）

____ ____ ____ you been skating?

3. We have been learning English for

three years.（改为同义句）

We have been learning English ____

____ ____ .

4. Alison has been skating for five

hours.(对画线部分提问)

____ ____ ____ Alison been skating?

六． 拓展探究

用since,when,in或for完成下列句子。

1. Judy was studying there ____ I went

to her room.

2. He has been walking ____ three days.

3. He will be back ____ three days. 4. He has lived in this village ____ he

was born.

5. We have been working in the factory

____ 1990.

6.The Wang family have been living in

the neighborhood ________October

last year.

7.Sarah has been sleeping __________

9:00.

8.Mike has been studying English

_______ he was six years old.

9.I’ve been watching you ______ two

minters.

10.I’ve been practicing the piano

______ 10:30.

11. I have been playing soccer ____

three years.

12. The player has been skating ____ he

was a child.

13. ____ the way, where’s Jenny? The

teacher is looking for her.

七． 学后记

编写者:丁晓芳

Unit 6 How long have you been collecting shells ?

Section A (3a – 4)

Period 2

一. 学习目标

1. 掌握since的用法

2. 区别since和for的不同之处

3. 区别How long have you been„„？和How long did you„„？

二. 温故互查

Pairwork

Make conversations with“how long” and

“when”questions.

三. 自主探究

1. Read 3a and complete the table.

2. Read 3a, and answer the following

questions.

① What are the students skating for?

② How long has the skating marathon

been going?

③ Who is the first one to start?

3. Read 3a again, discuss the

difficult sentences in groups.

① raise 筹集；筹募；举起；种植；饲养

e.g. raise your hand

② since + 时间点或时间状语从句

for + 时间段

③ “be the + 序数词 + to do sth.”是指“第几个做某事的”

4．Read 3a for the third time, finish

3b.

5. Groupwork. Finish part 4.

四. 自我检测

单项选择

（ ）1. The workers have been working

for ___ morning.

A. whole the B. the whole C. whole

( ) 2. I was___ get to the top of the

hill.

A. the first one to B. the first one C. the one first to

( ) 3. There is ___ milk here, but

there are ___ empty glasses.

A. little ; a little B. few ; a few