Unit 12 Life is full of the unexpected.Wednesday 星期三 (Grammar Focus—4c)一、核心词汇cream ， pie ， bean ， market ( Grammar Focus-4c)二、重点短语show up 赶到，露面；get a chance 得到一个机会；leave for 前往 ; play jokes on 开……玩笑 ;April Fool’s Day 愚人节 ( Grammar Focus-4c)三、重要语法：过去完成时★ 表示一个动作或状态在过去某一时间之前开始，并一直延续到这一过去的时间，因此常用表示持续意义的时间状语，如： by the time + 从句， by 短语， how long 短语等。如：1. By the time I left that school ， I had learned English for two years. 到我离开那所学校时，我已经学习英语两年了。 ( Grammar Focus-4c)2. How long had he lived in the south before he came here? 他来这儿之前在南方住了多长时间？★ 表示发生在过去某一时间之前的动作 ( 意为“过去的过去” ) ，这个过去的时间可以用 by ，before 等介词短语或一个时间状语从句来表示。 ( Grammar Focus-4c)如：1. We had learned more than three thousand English words by the end of last term. 到上学期期末为止，我们已经学了 3000 多个英语单词了。 ( Grammar Focus-4c)2. The plane had taken off before they got there. 在他们到那儿之前飞机就已经起飞了。★ 过去完成时常用在 said ， told ， asked 等动词之后，即用在宾语从句中。如：She said she had finished her homework before watching TV. 她说看电视之前她就完成了作业。 ( Grammar Focus-4c)四、基础复现天天练：愚人节 ( Grammar Focus-4c)题型体裁词数难度建议完成时间正确率阅读B 篇说明文292 words ★★★☆☆6 min _____/5 April Fool’s Day is traditionally a day to play jokes on others. No one knows how this holiday began. But somebody had agreed by 2000 that it had something to do with France. The closest point that can be known as the beginning of this tradition was in 1582 ， in France. ( Grammar Focus-4c) By the end of 1582 ， New Year’s Day had been celebrated from March 25th to Apr...
