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1、八年级（下）英语 Unit 6 Section A,Woman: Alison, how long have you been skating? Alison: Ive been skating Woman: Wow! Sam, how long did you skate? Sam: I skated . I started at nine oclock in the morning and stopping at one oclock in the afternoon. Im very tired.,for five hours.,for four hours,Woman: When di
2、d you start skating, Victor? Victor: At nine oclock. Woman: So you have been skating for Victor: Ive been skating Woman: How long did you skate, Celia? Celia: Umm, lets see. I skated for two hours.,for five hours .,Ive been skating for five hours.,I skated for two hours.,Reporter: Alison, congratula
3、tions on winning the skating marathon! Alison: Thank you. Reporter: So, how long did you state today? Alison: ! Reporter: Was this your first skating marathon? Alison: No, I skated in a marathon last year.,For six hours,Reporter: Youre an excellent skater, Alison. Do you skate every day? Alison: Yes
4、, I do. Reporter: How long have you been skating? Alison: I got my first pair of skates on my birthday from my grandmother.,Since I was seven years old.,Questions,Answers,_ 1.How long did you skate today?,a. No, I skated in a marathon last year.,_ 2.How long have you been skating today?,b. Yes, I do
5、.,_ 3.Was this your first skating marathon?,c. For six hours.,_ 4.Do you skate every day?,d. Since I was seven years old.,_ 5.When did you get your first pair of skates?,_ 6.How long have you been skating?,Questions,Answers,a. No, I skated in a marathon last year.,2.How long have you been skating to
6、day?,b. Yes, I do.,c. For six hours.,4.Do you skate every day?,5.When did you get your first pair of skates?,3.Was this your first skating marathon?,6.How long have you been skating?,1.How long did you skate today?,d. Since I was seven years old.,for: 表示时间的持续，后面加时间段，多与带数词的名词连用，其谓语需用延续性动词。 e.g. We ha
7、ve been learn English for 2 hours.,Since: 表示“自从过去某一时间点以来”后面接时间，强调动作或状态一直持续到现在，一般用现在完成时，或者现在完成进行时。 e.g. I have been skating since 9 oclock.,Tom has been learning Chinese he came to hina. I have been living here I was born. Yesterday I went to the park. I stayed there the whole afternoon. They have been moving to Shanghai his father work there. Wang Hua likes swimming. She has been swimming 5 years.,作业：,since,since,for,since,for,Good bye,