魯教版英語八上unit6howlonghaveyoubeencollectingshellssectiona)ppt課件-資料下載頁
2024-11-18 19:20本頁面
【導讀】collectingstamps?night?classtoday?skating?wassevenyearsold.playingputer?baseball?hours.(a. week.motorcycle?Howlong?fivehours?hours.Pairwork.skating?hours.Since,自從.自……以來。Marathon馬拉松.marathon.money.today?skatingtoday?skatingmarathon?day?firstpairofskates?beenskating?Ido.sixhours.years.+doing.hours.10:30.minutes.was6yearsold..Icollect…Didyou…Whendidyou…?I…at(concretetime).Honglongdidyou…?I…for(sometime).byusing“for”.Doyou…?Canyou…?Whendidyoustart…?Istart
【正文】 scht Unit6 How long have you been collecting shells? Section B ?I am still teaching English now. ?How long have you been teaching English? I have been teaching English for five years. since 2020 *He started teaching math when he was 20 years old. He is 50 years old now and he is still teaching math. How long has he been teaching math? He has been teaching math 30 years ago. for 30 years. since he was 20 years old. How long have you been doing…? I’ve been doing… for… since… 2 hours How long has she been reading ? She has been reading for 2 hours. She has been reading since 2 hours ago. half an hour How long has he been playing puter games? He has been playing puter games for half an hour. since half an hour ago. 45 minutes How long have they been playing soccer? They have been playing soccer for 45 minutes. since 45 minutes ago. an hour How long have they been swimming? They have been swimming for an hour. since an hour ago. 15 minutes How long has he been drawing a picture? He has been drawing a picture for 15 minutes. since 15 minutes ago. PAIRWORK A: What does Bob collect? B: He collects kites. A: How long has he been collecting kites? B: He’s been collecting kites since he was ten years old. ten years old. (The Present Perfect Progressive Tense) 表示動作從過去某一時間開始，一直延續(xù)到現(xiàn)在，可能還要延續(xù)下去。常和表示一段時間的狀語連用。 They have been working for two hours. 他們已工作兩小時了。 for和表示一段時間的詞組連用 They have been running since six o’clock. 從 6點起他們一直在跑。 since 和表示過去某一時刻的詞或詞組連用 I have been waiting for you since I came here. 自到這兒以來我一直在等你。 since后可跟句子，句子時態(tài)多用一般過去時 Homework: 3b 2. Interview your classmates and make some dialogues according to 4a.
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