新概念英语一讲义教师版L89~90教师版.doc
Lesson 89 90 For sale 词汇详解(1) believe v. 相信 believe sb. / believe that . e.g. I believe you. 我相信你（说的话）。 I believe that he has already gone to London. 我认为他已经去伦敦了。【学生版不出现】扩展：believe in 信仰，相信（人格，价值等） believe it or not 信不信由你 make believe 假装(2) may verb.（用于请求许可）可以(3) how long 多长比一比：想一想还有哪些类似how long的短语？how often多经常；how soon多快；how many 多少（可数名词）；how much（问价格）(4) since prep. 自从 用法详见重点语法 since + 时间点 表示某个动作是何时开始的 e.g. Ive been here since 1976. 自1976年以来我一直住在这里。(5) why adv. 为什么(6) sell v. 卖，出售 (sell - sold - sold) n. 卖，出售 sale 扩展：for sale 待售 on sale 打折(7) because conj. 因为(8) retire v. 退休用法1：退休；离职：e.g. He retired at the age of 60. 他60岁时退休了。He's going to retire soon from the sea. 不久他将退休，结束其航海生涯。【学生版不出现】用法2：退出；退隐：e.g. He often retires to his country house at weekends. 他周末通常到他那个乡间别墅生活。 (9) cost v. 花费 (cost - cost - cost) 注意：表示花费时，cost的主语必须是某物或者某事 搭配：sth. cost sb. some money某物花了某人多少钱 e.g. This coat cost me 50 yuan. 这件大衣花了我50元。 n. 费用，代价 搭配：at the cost of 以为代价 e.g. He save the child at the cost of his life. 他以他的生命为代价救了那个孩子。(10) pound n. 英镑(11) worth prep. 值钱用法：sth. be worth .(money) 相当于价值，值钱e.g. How much is the new house worth? 这幢新房子值多少钱？ 【学生版不出现】用法2：具有价值；值得 be worth doing sth. 值得做 e.g. That city is worth visiting. 那座城市值得一游。 Is the film worth seeing? 这部电影值得一看吗？(12) penny n. 便士 课文解析之经典例句(1) May I have a look at? l 这是一种比较正式客气的表示请求的句型，其中的may有“请求允许”的意思，是情态动词，没有第三人称，没有不定式。 e.g. 我能再喝杯茶么？ May I have another cup of tea? 注意：当用于陈述句时，may表示“可能”。 e.g. We may go to the park next Sunday. 下周日我们可能会去公园。(2) How long have you lived here? 这句话时态为 现在完成时l How long的用法： 询问时间的长短e.g. How long has he stayed here? 他在这儿呆了多久？ About 30 years. 大概三十年啦。 询问物体的长度e.g. How long is the river? 这条河多长？ 500km. 500千米。(3) How much does this house cost? 这座房子卖多少钱？l How much的用法： 询问事物的数量+不可数名词e.g. How much bread is there on the table? 桌子上有多少面包？ 询问事物的重量e.g. How much do you want to buy? 你想买多少？ 5 kilos. 五公斤。 询问数字计算的结果e.g. How much is 3 plus 1? 3加1等于多少？ 询问价格e.g. How much is your coat? 你的大衣多少钱？ 重点语法现在完成时 IVfor 和 since引导的时间状语现在完成时还可以描述发生在过去且一直延续到现在的动作，这种动作甚至有可能延续下去。在这种情况下，它一般与for+一段时间、since+某个时间点连用。l 课文原句重现：I've live here for twenty years. / I've been here since 1976.l 请注意：for + 一段时间 表示某个动作持续多长时间since + 某个过去的时间点 表示某个动作是何时开始的。e.g. He has lived here for five years. 他已经在这儿住了5年了。 He has lived here since 2007. 他自从2007开始住在这儿的。? 试一试：用for和since填空 Neil met Yoyo in the street and began to chat：Hi, Yoyo, you look so upset. Whats up?My uncle John has been in London since 1999, and he always wrote to us. But I havent heard from him for a long time. I feel worried.Dont worry! He will be OK. How about going to Happy Valley for fun!No, Neil. My younger sister has slept for 2 hours. My mother went out hours ago. I should go back and look after my younger sister.All right, Yoyo. What a pity! Take care.
