(
课件网) Unit 3 Computers Grammar 1 understand what the comparative of adjectives are work out the rules of the comparative of adjectives write an email to Li Hua by using some comparative of adjectives. Learning objectives By the end of the class, you will be able to... 2 3 Double 11 shopping carnival is coming soon. You can buy computer online. Hua Wei desktop and laptop are both on sale(降价出售). Su Mei, I want to buy a computer. Do you have any advice Lead-in 1 Double 11 shopping carnival(双十一狂欢节) is coming. Listen to a dialogue between Li Hua and Su Mei. 1. Which is cheaper, the desktop or the laptop 2. What aspects(方面) do they talk about Which is cheaper, the desktop or laptop I want to buy the nicer of the two computers. Lead-in 1 Double 11 shopping carnival is coming. Listen to a dialogue between Li Hua and Su Mei. I think laptops are more expensive than desktops. But desktops are heavier than laptops. 1 Yes, but desktops have much bigger screens than laptops.The bigger computers are, the better they are for our eyes. So I want to buy a desktop. Lead in Ok, you can buy a computer on the Internet. nowadays, things online are getting cheaper and cheaper. Yes. And buying things online is becoming more and more popular. Double 11 shopping carnival is coming. Listen to a dialogue between Li Hua and Su Mei. Circle the comparatives and find out the rules. 2 Presentation Li Hua:Which is cheaper, the desktop or laptop I want to buy the nicer of the two computers. Su Mei: I think laptops are more expensive than desktops. But desktops are heavier than laptops. Li Hua:Yes, but desktops have much bigger screens than laptops.The bigger computers are, the better they are for our eyes. So I want to buy a desktop. Su Mei:Ok, you can buy a computer on the Internet. nowadays, things online are getting cheaper and cheaper. Li Hua:Yes. And buying things online is becoming more and more popular. comparative rule 一般直接: + -er 以不发音e结尾: + -r 改y为i + -er 双写辅音字母 + -er more + adj. 部分双音节和多音节 不规则变化 For some regular adjectives. cheap-cheaper nice-nicer heavy-heavier big-bigger expensive -more expensive popular -more popular good-better adjective comparative good bad many/much little far For some irregular adjectives. better 好坏多少远 worse more less farther(空间，距离远） further(程度上更深远） Presentation 2 Take notes in your textbook C 比了个级 在前面加more 把y改i + er 双写尾字母+ er 直接+ er/+r 特殊变化 wet nice famous strong bad lucky fat heavy important late many busy successful 3 Practice busier luckier heavier stronger later nicer wetter fatter more important more famous more successful bad-worse many-more Focus on the usage of comparative of adjectives. 4 Presentation Li Hua:Which is cheaper, the desktop or laptop I want to buy the nicer of the two computers. Su Mei: I think laptops are more expensive than desktops. But desktops are heavier than laptops. Li Hua:Yes, ... ...
