How long have you been collecting shells
- he (skate)
-when you (start )? ---two hours ago.
-how long he (skate)?
-he (skate) for two hours.
how long 對 提問，when對 提問
go ahead:
a) we have been playing football for 2 hours.(對劃線部分提問)
have you been playing football?
b) -- did you first skate ?
--two years ago.
2. since 與 for
for + 一段時間， since+時間點(diǎn)/時間狀語從句/一段時間+ago
l) lis has been studying medicine at university three years.
three years ago.
2) dave has been playing the piano he was seven years old.
3）they have been working here .
模塊四：pairwork
work in pairs, talk about the following topics. don’t forget to use “ how long have you been doing…? for…/since…”.
topic1 -what sport do you play? topic2: a: what’s your hobby?
- basketball. b: i like flying kites.