1、Lesson 52: The Power of a SmileI. Learning aims:Master the new words: difficulty, adapt, universal, simply, beginning II. Learning important and difficult points: 1) If you are not part of a group, it can be difficult for you to be accepted.2) Before he arrived, he knew there would be many difficult
2、ies.3) Sam knew he had to find a way to change the situation.4) Soon the boy asked Sam to join him and his group of friends for lunch.Language Points:1. difficulty【用法】作可数名词，意为“困难”，复数形式是difficulties.【举例】I think you will meet many different difficulties in your work. 我想你在工作中会遇到很多不同的困难。【拓展】difficult 是形
3、容词，意为“困难的”，在句中作定语或表语。【举例】This question is too difficult for me to answer. 这个问题对我来说太难回答了。2 If you are not part of a group, it can be difficult for you to be accepted. 如果你不是小组中的成员，被人接受对你来说很难。【用法】句中的it是形式主语，difficult 是表语；for you to be accepted 是不定式复合结构作真正主语，其中的to be accepted 是不定式的被动形式，表示“被接受”。【举例】This
4、room needs to be cleaned. 这个房间需要打扫了。3. Before he arrived, he knew there would be many difficulties. 在他到来之前，他就知道会有很多困难。【用法】句中的before he arrived是时间状语从句，后面的主句中，he knew又是主句，there would be many difficulties 是宾语从句，且主句是一般过去时，宾语从句中的动词would be是过去将来时。过去将来时表示从过去某一时刻来看将来要发生的 动作或所处的状态，它多用于主句谓语动词为过去时的宾语从句中。句式结构肯定
5、句式：主语 + 助动词be (was, were) going to 或would (should) + 动词原形否定句式：主语 + 助动词be (was, were) + not + going to或would (should)+ 动词原形疑问句式：助动词be (was, were) 或would (should) + 主语 + going to + 动词原形【举例】I didnt know if he would come. = I didnt know if he was going to come. 我不知道他是否会来。I thought you were going to take the chance. = I thought you would take the chance. 我认为你会去试一试呢。
