内容正文:
第3课时 Grammar
Module 2 Science and technology
Unit 3 Computers
目录
01
语法聚焦
02
课堂练习
语法聚焦
【知识点思维导图】
【常考知识点详解】
1. 形容词的比较级、最高级的规则变化
类 型 变化规则 原 级 比较级 最高级
单音节形容词 (1)大多数单音节词,直接加-er或-est small smaller smallest
(2)以e结尾,直接加-r或-st large larger largest
(3)以辅音字母结尾的重读闭音节词,双写末尾的辅音字母再加-er 或-est big bigger biggest
类 型 变化规则 原 级 比较级 最高级
双音节形容词 (4)以辅音字母+y或ly结尾,把y改为i再加-er或-est happy happier happiest
(5)以-ful, -less, -ed,-ing结尾,在形容词前加more或the most careful
more careful the most careful
多音节形容词 (6)含三个或三个以上音节的多音节词,在形容词前加more或the most interesting more interesting the most interesting
2. 形容词的等级间的相互转化
(1)比较级换成原级。
This story is more interesting than that one.
That story is not as / so interesting as this one.
这个故事比那个故事更有趣。
(2)最高级换成比较级。
He runs fastest in our class.
He runs faster than any other student in our class.
He runs faster than the other students in our class.
他在我们班跑得最快。
(3)表示倍数的用法。
The room is three times as large as that one.
The room is t