英语：Unit 6 How long have you been collection shells Sectio

SectionA (1a---1c)

sleep-slept : 8:00 wake-woke : 6:00

(10hours)When did it go to sleep?

It went to sleep at 8:00 last night.When did it wake up?

It woke up at 6:00 this morning.

Start: 8:00 Stop: 6:00

How long did it sleep last night? It slept for 10 hours last night.for + 一段时间 用how long 提问

Start: 8:10 End : 10:10

When did they start classes today? When did they finish classes today?

Start: 8:10 Now: 10:10

How long did they have classes today?They had classes for 2 hours today.

Start : 1989When did he start playing football? In 1989.

Is he playing football now? Yes, he is.

Start : 1989 Now : 2007 (18years) He has been playing football for 18 years. since 1989. 18 years ago. He was …years old. for+ 时间段 since +时间点/从句

现在完成进行时：表示动作从过去某一时间 开始, 一直延续到现在,可能还要延续下去。句式：主语+have/has+

助动词(无意义) 后面常跟由for、since 引导的时间

been +v-ing

for + 时间段since + 时间点

用how long 提问

How long have/has … been v-ing…?

two hours

How long has he been … ? He has been …

ten o’clock

Start: 9:00 am Now: 13:00 pm

(4hours)

How long have they been skating? They have been skating for 4 hours. since 9:00 am. since 4hours ago.

was born: 1999 skate: 2004~nowHow long has she been skating? She has been skating for 4 years. …for …. …since… She has been skating since 2004. She has been skating since she was 4 years old.

Jackie Chanwas born: 1954acting: 1961~ now(47 years)

How long has Jackie Chan been acting?

…for… He has been acting for 47 years. He has been acting since 1961. …since… He has been acting since he was 8 years old.

Pairwork

half an hour one hour ago

9:00

one hour

ten minutes

Monday

A: How long has he been doing dishes? B: He has been doing dishes for/since…

Mr. Zhengbe born: 1972

teach science: 1995~ nowHow long has Mr. Zheng been teaching science?

He has been teaching science for 13 years. He has been teaching science since 1995. He has been teaching science since 13 years ago. He has been teaching science since he was 13.

Zhang Xinhaiwas born: 1993learn English: 2006~ now

How long has Zhang Xinhai been learning English?He has been learning English for 2 years. He has been learning English since 2006. He has been learning English since 2 years ago.

He has been learning English since he was 14.