1、,八年级（下）,Go,for,it!,学练优英语教学课件,学练优八年级英语下（RJ） 教学课件,Section A (3a-4c),Unit 10 Ive had this bike for three years.,Lead in,Review the conversation they learned in last class.,How long have you had that bike over there?,A: Do you have a(n) _? B: Yes, I do. A: How long have you had it? B: Ive had it for/sin
2、ce,Pairwork,3b Read the article again and answer the questions.,1.Why did they decide to have a yard sale? 2.What do they want to do with the money from the sale? 3.Why does the son want to keep the train and railway set? 4.How can the old toys be useful again? 5.Have you ever thought about a yard s
3、ale to sell your things?,探究点一 Reading,Children,honest,a lot of,a while,although,fast,growing up,Summary,现在完成时用法（二）,此用法需注意两点：,1）常与for, since引导的时间段的时间状语连用。,2）动词使用延续性动词。,since , for 的用法:,since: 自.以来 1)since+时间点 He has stayed here since 5 oclock. 2)since+ 时间段+ ago He has stayed here since 5 hours ago. 3
4、)since+ 从句(句子要用一般过去时态） She has taught English since he came here. for: (长达）for+ 时间段 He has kept the book for 2 weeks.,since一段时间agofor时间段; since two weeks ago=for two weeks;,I have kept the library book for a week. = I have kept the library book since a week ago.,在现在完成时态中，for与since引导的时间 状语可以相互转换。,It
5、is + 时间段 +since +一般过去时的句子.,1.他的爷爷已经去世2年了。 2.Nick参军三年了。 3.他离开深圳好长时间了。 4.这本书我已借了4个月了。,It is 2 years since his grandpa died.,It is 3 years since Nick joined the army.,It is a long time since he left Shenzhen.,It is 4 months since I borrowed the book .,含有for，since的现在完成时的用法歌诀: 过去的动作或状态，一直持续到现在，for,since
6、把时间带。,歌诀,常见非延续性动词和延续性动词的转变,第一类：短暂性动词 be + adj. die finish open/close fall ill/asleep marry sb/get married to 第二类：短暂性动词 be + 介词 start/begin leave join,be dead,be away from,be in/be a member of,be open/closed,be on,be over,be ill/asleep,be married to,第三类：短暂性动词 另一个动词 buy borrow become put on,keep,have,
7、be,wear,巧记瞬间性动词的转换： 开始离去借来还， 出生入死买到家， 穿衣入睡要感冒， 开开关关变结束。,4a,Rewrite the sentences using for or since.,Jim is in Japan. He arrived there three days ago. 2. They are very hungry. Their last meal was ten hours ago.,They havent eaten for ten hours/since ten hours ago.,Jim has been in Japan for three year
8、s.,Quiz,3. I have a camera. I bought it in 2009. 4. I know Anna. I first met her three years ago.,I have had a camera since 2009.,I have known Ann for three years/since three years ago.,Linda has been ill since Monday.,5. Linda is ill. She became ill on Monday.,4b,Fill in the blanks with the correct
9、 forms of the verbs in brackets.,I _ (never be) to the water park before. I want to _ (go) next month before the weather gets too cold. 2. They _ (never own) any pets, but they _ (always want) to have a dog.,have never been,go,have never owned,have always wanted,3. We _ (have) a piano since last Nov
10、ember. We _ (buy) it from the Li family when they moved to the US last year. 4. Cathy and Amy _ (not be) back to their hometown for two years. They _ (miss) their hometown a lot and hope to visit the place next year.,have had,bought,havent been,miss,5. This museum _ (be) here for over 20 years. It _
11、 (be) one of the oldest buildings in this small town.,has been,is,Fill in the questions and ask two students.Then complete the chart.,1.Do you have a(n) _?How long have you had it? 2.Do you own a(n) _?How long have you owned it?,4c,1.Read the listening materials five times.,2.Preview the passage in 3a.,Homework,Thank you!,
