How long have you been collecting shells?Unit Unit 66SECTION ASECTION ATeaching goals:1. Words and expressions in this unit.2. 现在完成进行时的用法。3.Patterns: How long have you been doing sth.? I have been doing sth. since …. I have been doing sth. for … (period of time).4. 谈论人们做某事持续多长时间。5. 谈论人们的业余爱好。6 ．谈论人们收藏某物多长时间。Important and difficult points:1. Words and expression in this unit.2. 现在完成进行时的用法以及与现在进行时和过去进行时的区别。 19996 years old 200310 years old now13 years oldWhen did you start playing piano? I started playing piano when I was six years old.How long have you been playing piano? I have been playing piano since 1999. 19996 years old 200310 years old now13 years oldHow long have you been playing basketball? I have been playing basketball since 1999.When did you start playing basketball?I was ten years old.I started playing basketball when现在完成进行时态have / has been + 现在分词 表示从过去某一时刻开始一直延续到现在的 动作，这个动作可以仍然进行。1b Listen. A reporter is talking to the participants in a skating marathon. Fill in the chart below.How long?Alison I’ve been skating for five hours.SamI skated for four hours.VictorCeliaI’ve been skating for five hours.I skated for two hours. 1c PAIRWORKAsk and answer questions about the peoplein the picture.2a Listen to the interview with the skating marathon winner and check (√) the questions you hear.QuestionsQuestions 1. How long did you skate today? 2. How long have you been skating today? 3. Was this your first skating marathon? 4. Do you skate every day? 5. When did you get your first pair of skate? 6. How long have you been skating?AnswersAnswersa. No, I skated a marathon last years. b. Yes, I ...
