内容正文:
一、重点语法归纳二
八、why引导的特殊疑问句
why引导的特殊疑问句,意为"为什么……?",用来询问某事的原因。结构为"Why+助动词的适当形式+主语+动词原形+其他?/Why +be动词+主语+其他?"。
(1)一般用法:常用于询问原因。回答时常用because。
eg:—Why does he look worried? 他为什么看起来着急?
—Because he lost his key. 因为他把钥匙丢了。
(2)特殊用法:Why don’t you+动词原形+其他?常用来提出建议或劝告,表示"为什么不……?"相当于"Why not+动词原形+其他?"。
eg: —Why don’t you play basketball?=Why not play basketball? 为什么不打篮球呢?
—That sounds good. 那听起来不错。
(3)why还可作感叹词,表示吃惊、不耐烦、轻微的抗议、反对及犹豫等不同的语气。
eg:Why,don’t you know me? 啊,难道你不认得我吗?
九、形容词的用法
形容词修饰名词,用以说明事物或人的性质或特征,是英语中最常用的词性之一,通常在句中作定语、表语等。
(1)形容词作定语,用于修饰名词或代词one, ones等,位于名词或代词之前,但若修饰不定代词要放在不定代词之后。
eg: These are interesting books. 这些是有趣的书。
I want some big ones. 我想要些大的。
There is something interesting in today’s newspaper. 今天的报纸上有有趣的内容。
(2)形容词作表语,放在连系动词(be/look/feel/sound等)后,构成系表结构,即"连系动词+表语",说明主语怎么样。
eg: You look great today. 你今天看起来很棒。She is so friendly. 她是如此友善。
(3)一些形容词和定冠词the连用,表示一类人或事物,相当于一个名词;另外,形容词前可用very, too, a little等表示程度的词修饰。
eg: He often helps the old. 他经常帮助老人。
You are too lazy. 你太懒了。
当堂训练四
单项选择。
( )1.(2018·海南中考改编)Lucy is a _girl.She likes to help others.
A.happy B. weak C. kind
( )2.(2018·河北中考)This dog looks_ _.It's wearing red shoes.
A. clever B. brave
C. funny D. careful
( )3.- are these animals from?
-They are from South Africa.
A.How B.Why C.What D. Where
( )4.(2017·重庆渝北区中考)-_ do youlike pandas?
-Because they are very cute.
A.What B.Who C.Why D. Where
( )5.(2018·福建中考A卷)-__ does Liu Chuanjian do?
-He’s a pilot(飞行员)of Sichuan Airlines. He's a hero(英雄)!
A. What B. Where C. When
( )6—I feel upset because I am too heavy.
— do more exercise to lose some weight?
A. Why don’t B. Why not C. Why not to
( )7.The flower smells and I like it very much.
A. well B. good C. bad D. badly
( )8.—Why don’t you like tigers?
—