老师：Hello boys and girls. Welcome to my English class. I'm your old friend Miss Song from Zhangjiakou Huiming Primary School. Today we are going to learn the third lesson of Unit 5, writing the roller coaster. In this class, 1st, you should be familiar with the comparative and superlative forms of adjectives.
老师：2Nd, after this class, you can use comparative and superlative levels. Inappropriate contest. Are you ready? Let's begin our class now. 1St, let's listen to the tape and write the name of the child. Are you ready? Turn to page 48. Check up a listen and write the name of the child. Number one.
学生：I'm taller than Jack. I'm the tallest. Who am I? Number two, I'm shorter than Mike, but I'm taller than Andy. Who am I? Number three. I'm younger than Jack. I'm the youngest. Who am I?
老师：Okay, now, who is the first boy? Yes, he is Mike. And he is Jack. He is Andy. Now, next, let's look at the picture and say something about it. For example, you can see Andy is 10 years old. He is young. Jack is 11 years old. He is older than Andy. Can you see any other things? Yes, you please. Wow, everybody, you did a good job. Yes.
老师：Now let's go on. This time, please read the passage and circle the adjectives. Now look at here. These words are adjectives. Oh, Yang. Older. Oldest, younger, youngest, short, taller, and tallest. Okay, now look at these words. Can you find the rules?
老师：你能发现这 3 种形式之间的规律吗？
老师：Yes, the comparative form of an adjective. its to add e r to the end。 The superlative form is to add EST to the end. So do you know the comparative form and superlative form of shots? Yes. Shorter and shortest. Do you know the primary form of taller? Yes, it's tall. Now today we are going to learn a new grammar.
老师：今天我们要学习一个新的语法知识，形容词的比较级和最高级的用法。 now at first wish now 首先，我们应该知道，形容词的原集是用于两者之间的比较表示等于。而形容词的比较级是用于两者之间的比较表示两者之间更怎么样。而最高级则是用于三者或三者以上的比较表示最。
老师：now lets play a game now find out the correct comparative forms are you ready lets go， yes nicer next one， happy happier， small smaller， big bigger the last one is，yes， beautiful and more beautiful everybody well done now lets go on， look at these words can use someones roots。
老师：同学们，看着我们屏幕上的这些词，你是否能够总结它们的变化规律， small smaller we add e r to the end。接下来我们就要学到形容词比较级和最高级的变化规则。第一条，我们直接在词尾加e， r 变成比较级，加 EST 变成最高级。第二条，以不发音的 e 结尾的词，我们需在此后加 r 和 s t，构成比较级和最高级。第三，属于辅元辅结构的词汇，我们需要双写尾字母，再加 ER 和EST。
老师：such as big bigger， biggest hotter hottest。
老师：第四条，辅音字母加 y 结尾的，需把 y 变 i 加e， r 和 e s t busy the last one。最后一条规则就是多音节词汇和部分双音节词需要在词前加 more 和 most for example， beautiful more，beautiful， most beautiful expensive more expensive and most expensive。除此之外，我们还有一些不规则变化。在小学阶段，我们遇到的不规则变化通常就是以上几个词汇， good well better， best much money，more， most bad，worse， worst little less list。那么以上词汇没有什么规则可讲，只需要大家把它记住即可。好，接下来你是否能够使用我们刚才学过的规则
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