1.一般情况,词尾加er,est: great—greater—greatest
2.以不发音的e结尾,加r,st : fine—finer—finest
3.重读闭音节,双写最后一个辅音加er,est :
hot—hotter—hottest thin—thinner—thinnest
4.以辅音字母+y结尾,变y为i+er,est:
easy—easier –easiest early—earlier—earliest
5.不规则词:good,well—better—best
bad,ill—worse—worst
many ,much—more—most
二、用法:
1.两者相比,有程度上的差别,用“比较级+than “
It is hotter in Shanghai than in Beijing. I’m taller than you.
The monkey’s tail is longer the rabbit’s.
2.比较级+比较级,表示“越来越…..”
She is thinner and thinner. The weather is warmer and warmer.
3.表示三个或三个以上的比较用“the+最高级”
He is the tallest in the class. She is the oldest of us.
三、练习题:
(一)写出下列单词的比较级和最高级:
nice______ ______ hot ______ _______ cool______ ______
tall ______ ______ short ______ _______ long______ ______
big ______ ______ small ______ _______ little______ ______
easy ______ ______ old ______ _______ strong______ ______
fat______ ______ thin ______ _______ happy______ ______
cold______ ______ warm ______ _______ good______ ______
many_____ _____ ill_______ ______ heavy______ _____
(二)填空:
1.Your cap is ______ (small)than my cap.
2.Tom is __________(tall) in our class.
3.Her book is ________(cheap)than my book.
4.Tom is _____(thin)than Betty.
5.John is shot.Mary is very short.(连成一句话)
6.He run fast.She runs very fast. (连成一句话)
7.兔子的耳朵比猴子的长。
8.我的书包比他的书包重。
9.公园比动物园大。
一般过去时:表示动作或状态发生在过去。
常用的时间有:yesterday , yesterday morning, yesterday evening
last night, last week, last year, last month
six days ago, ten years ago, seven hours ago
be 动词的过去时:am,is—was are---were
was not=wasn’t, were not=weren’t
肯定句:I,He,She,It+was …….\We,you,They +were…..
否定句:I,He,She,It+wasn’t …….\We,you,They +weren’t…..
一般疑问句:将was 和were 提到句首
肯定回答 :Yes,_____ was.\Yes,____were.
否定回答: No,____ wasn’t.\\No,_____ weren’t.
练习题一:用be动词的适当形式填空:
1.I____ a teacher now,but I _____ a student ten years ago.
2._____ you in Shanghai last year? Yes, I______.
3.Tom_____ in my office yesterday.He____ at home now.
4.The weather ____ cold last month.They_____ at school.
5.What ____ the weather like last year?It ___ hot.
6._____ they ill yesterday? Yes, they_____.
7.We _____ in Beijing ten days ago._____ you in Beijing?
练习二:将下列句子变为否定句和一般疑问句,并作肯定回答和否定回答
1.I’m a student.
2.She’s my mother.
3.He’s in the office.
4.They are farmers.
5.I was ill yesterday.
6.She was in Beijing last year.
7.They were my friends.
8.He was at school last week.
9.It was very cool last year.
10.My mother is an actress.
11.Her father was an actor.
12.His sister was in Hongkong.
13.Her brother is very young.
14.His dog is very thin.
15.Her dog was very strong.
16.We are good students.
17.We were good students.
18.My book is on the desk.