Unit 10 Ive had this bike for three years【学习目标】学习在文章中运用现在完成时。能力目标：运用for和一段时间的现在完成时。重点句子： We have decided to each sell five things that we no longer use. For example. 难点： 运用have+pp.【预习导学】 1熟读课文。2跟小组长读3a的句子并讨论完成3b.3c，并结对抽说中文意思。Since 和for用法辨析：Because Ive had it since I was a baby. 因为我还是个婴儿的时候就拥有它了。since(自从）常常引导短语或从句，用于现在完成时的句子中。since引出从句 时，从句中一般使用过去时。再如：Ive had these soft toys since I was a child.我还是个孩子的时候就有这些毛绒玩具了。 Since that unfortunate accident last week, I havent been sleeping at all well.自从上周发生了那次不幸的事故之后，我一直睡得很不好。介词for也常用在现在完成时的句子中，后面引出表示时间的词或短语，说明某 种情况已经持续了一段时间。再如：Jeff has had his bike for more than 10 years.杰夫已经拥有他的自行车超过10年了。【自学检测】 1. They have ever been to an English-speaking country. (改为一般疑问句)_ they ever _to an English-speaking country?2. We need to have a good rest. (改为否定句)We _ to have a good rest.3. She has been a flight attendant for two years. （划线提问）_ _ _ she _ a flight attendant?4. His father has been to America twice. (划线提问)_ _ _ has his father _ to America?5. Linda is taller than any other girl in her class. (改为同义句)Linda is _ _ girl in her class.【合作探究】1. Have you ever been to an aquarium? No, _.A. I have B. I am not C. I havent D. I has not2. Ive never been to a water park. _A. Me, too B. Me, neither. C. Me also. D. Me both.3. Has the train _ yet?A. got to B. reached C. arrived D. arrived at4. The teacher asked _.A. whats your name B. what was your nameC. what your name is D. what your name was5.Do you mind if I stay here a little longer? _.A. No, you cant B. Yes, you may C. Certainly not D. Yes, not at all6. How long has his brother _ the book?A. kept B. bought C. lent D. borrowed7. I have never seen such a fine picture _.A. ago B. before C. yet D. later8.Has the foreigner been to many interesting places in Beijing?Yes, but he has not _been to many other parts of China.A. already B. still C. yet D. never【小组展示】1.个人或小组读。2总结文中重点短语和句子。【学以致用】完成对话A: Im not feeling well. I _ _( get) a cold.B: _ you _ (be) to the hospital yet?A: Yes, I _ (go) to see Doctor Li this morning and he _ (give) me some medicine.B: _ you _ ( take) the medicine?A: Yes, I _ (take) it just a moment ago.B: Mr. Li is a good doctor. I think you will _ (be) all right soon.A: I hope so. By the way, where is our teacher? I have to ask for a sick leave.B: She _ _(go) to the office.【反思】