Unit 6How long have you been collecting shells?

collect v. 收集；搜集

shell n. 贝壳；壳

Yao Ming’s sports life

1980

was born

1989

started playing basketball

has been playing

19 years

2008

plays

He started playing basketball in 1989.

When did Yao Ming start playing basketball?

How long has Yao Ming been playing basketball?

He has been playing basketball since 1989.

He has been playing basketball for 19 years.

Jackie Chan

1954:be born

1961~now: act

He has been acting for 47years.

How long has Jackie Chan been acting?

When did Jackie Chan start acting?

He started acting in 1961.

He has been acting since 1961.

He has been acting since he was 7 years old.

Miss Li

1975: be born

2001~2008:teach Chinese

She has been teaching Chinese for 7 years.

She has been teaching Chinese since 2001.

When did Miss Li start teaching Chinese?

She started teaching Chinese in 2001.

How long has Miss Li been teaching Chinese?

Wang Lei

1990 : be born

1999~now: learn English

How long has Wang Lei been learning English?

She has been learning English since1999.

She has been learning English for 9 years.

She has been learning English since she was nine.

How long?Alison I’ve been skating for five hours.

Sam I skated for four hours.

VictorCelia

Listening 1b

I’ve been skating for five hours.

I skated for two hours.

（一）现在完成进行时构成形式：

have / has 是助动词 been 是 be 的过去分

词

当我们谈论动作从过去某一时间开始一直延续到现在 , 并且有可能持续下去时 .

have / has been + V-ing

我们常常用以下句型来表示 :

for + 一段时间

have / has been + doing sth + since + 过去的时间点

since + 从句 ( 一般过去时 )

eg. I have been swimming for 3 years.

He has been skating since nine o’clock.

She has been learning English since she was nine.

现在完成进行时

Please say out how long you and your family have been doing something.

汉译英5. 他生于何时 ? 他生于 1954 年 .

他什么时候开始表演 ? 他在 1961 年就开始表演 .

When was he born? He was born in 1954.

When did he start acting? He started acting in 1961.

汉译英1. 他们学汉语五年了 .

2. 他自 1981 年以来就住在这里 .

3. 他做家庭作业两个小时了 .

4.Jackie Chan 表演了多久 ?

They have been learning Chinese for five years.

He has been living here since 1981.

He has been doing homework for two hours.

How long has Jackie Chan been acting?

He has been acting for 46 years.

他表演了 46 年了 .

（二）引导时间的介词 for 与 since 的区别

for since

表示时间的持续

for + 时间段

表示“自从过去某一时间点以来”

since + 时间点强调一段时间 强调动作或状态

一直延续到现在

( for 与 since 引导的短语用 how long 提问 )

for a year

for four weeks

for ten days

since last year

since two weeks ago

since he came.

用 for 和 since 填空1.They have been learning Chinese _____ they came to China.2. I haven’t seen her _____ a long time.3. He has been living here _____ 2001.4. She has been doing her homework ____ two hours.5. It’s 5 years _____ we left school.6. – How long has Mary been a teacher? – _____ two years ago.

since

forsince

for

since

Since