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2019年北京初三英語相關背誦知識點!單詞是學習英語的基礎,不論學到哪個階段,不論以后是高中還是大學,同學們都要好好的積累自己的詞匯量,背單詞這事,一天都不能停,每天背二十個單詞,養(yǎng)成了習慣,學習英語會起到莫大的助力,下面小編為大家?guī)?span style="color:#f00;">2019年北京初三英語相關背誦知識點。
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2019年北京初三英語相關背誦知識點
形容詞、副詞的比較級和更高級
二. 教學重點:
1. 形容詞、副詞比較級和更高級的構成
2. 形容詞、副詞比較級和更高級的使用
三. 具體內容:
(一)形容詞、副詞比較級和更高級的構成:
1. 單音節(jié)詞和少數(shù)雙音節(jié)詞比較級和更高級的規(guī)則變化:
規(guī)則 原級 比較級 更高級
1.在詞尾后直接加-er/est tall taller tallest
2.詞尾是e,只加-r/st nice nicer nicest
3.以輔音字母加y結尾的,把y變i再加-er/est happy happier happiest
4.重讀閉音節(jié),末尾只有一個輔音字母,雙寫這個輔音字母,再加-er/est thin thinner thinnest
2. 其他雙音節(jié)詞或多音節(jié)詞,在該詞前面加-more/most
beautiful—more beautiful—(the) most beautiful
3. 由形容詞加ly構成的雙音節(jié)詞和多音節(jié)詞,都是在該詞前加-more/most.
quickly—more quickly—(the) most quickly
difficultly—more difficultly—(the) most difficultly
4. 不規(guī)則變化:
good/well better best
bad/badly worse worst
many/much more most
little less least
far farther/further farthest/furthest
(二)形容詞比較級和更高級的用法:
1. 原級的用法:
用于兩者之間對比,意思為“……和……相同”
A+v.+as….+形容詞原級as B
Tom is as honest as Jack.
Her skin is as white as snow.
My dog is as old as that one.
He is not as (=so) tall as I.
The weather here is not as(=so)cool as the weather in Harbin.
2. 比較級的用法:
1)A+形容詞比較級+than+ B
Susan is happier than Jane.
His brother is younger than me.
Beijing is more beautiful than Osaka.
形容詞比較級前還可以用much, even, still, a little來修飾。
2)數(shù)字+形容詞比較級+than
I’m two years older than you.
She is a head taller than me.
3)比較級+and+比較級,表示“越來越……”
The earth is getting warmer and warmer.
China becomes more and more stronger.
4)the +比較級,the +比較級結構,表示“越……就越……”
The more I study it, the more I like it.
5)which/who +is +比較級
Which city is bigger, Beijing or Tianjin?
Who is happier, you or me?
3. 更高級用法:
用于三者及以上的人或事物的比較,更高級前加the,更高級前有物主代詞,序數(shù)詞和名詞所有格時,不加定冠詞,后面跟帶in或of表范圍的短語。
1)one of the +更高級
Shanghai is one of the most beautiful cities in China.
Our city is one of the safest cities in the world.
Most people like apples.
Most of the boys are good.
It is our nearest neighbor in space.
2)更高級意義的表達方法:
例句
更高級 She is the best in her class.
比較級 She is better than any other student in her class.
No other student in her class is better than she.
原級 No other student in her class is as good as she.
(三)副詞比較級和更高級的用法:
1. 原級主要的句型:
1)as+副詞原級+as
Tom runs as fast as Jones.
not as/so+副詞原級+as He didn’t come as/so early as Li Lei.
2)too+副詞原級+to do sth.
Jean rides too slowly to catch up with me.
3)so +副詞原級+ that
Jean rides so slowly that she can’t catch up with me.
4)副詞原級+enough to do sth.
Jean doesn’t ride fast enough to catch up with me.
2. 比較級的用法:
1)比較級+than。當前后使用的動詞相同時,通常用助動詞來代替后面的動詞,該動詞或助動詞可以省略。
Lily run faster than Mary(did).
2)比較級+and +比較級
The days are getting longer and longer in summer.
3)the more…the more…
The harder you work, the better you will learn.
3. 更高級的用法:
副詞更高級前一般有the,也可省略。
He works (the) hardest of all the students in the class.
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