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第一PPT > PPT課件 > 英語課件 > 人教版八年級英語下冊 > 《What's the highest mountain in the world?》SectionA PPT教學課件(第3課時)

《What's the highest mountain in the world?》SectionA PPT教學課件(第3課時)

《What's the highest mountain in the world?》SectionA PPT教學課件(第3課時) 詳細介紹:

《What\s the highest mountain in the world?》SectionA PPT教學課件(第3課時)《What\s the highest mountain in the world?》SectionA PPT教學課件(第3課時)

人教版八年級英語下冊《What's the highest mountain in the world?》SectionA PPT教學課件(第3課時),共36頁。

Objectives

To learn to use comparatives and superlatives with adjectives and adverbs.

To learn to compare and describe things.

Grammar Focus

What’s the highest mountain in the world?

Qomolangma.

How high is Qomolangma?

It’s 8,844.86 meters high. It’s higher than any other mountain.

Which is the deepest salt lake in the world?

The Caspian Sea is the deepest of all the salt lakes.

Did you know that China is one of the oldest countries in the world?

Yes, I did. It’s much older than the US.

Grammar 

形容詞和副詞的比較級和最高級

大多數(shù)形容詞和副詞都有三個級。 

原級: 常用結構as ... as... 像……一樣 

Zheng Ming is as tall as Tom. 

鄭明和湯姆一樣高。 

比較級 (用于兩者之間的比較) 常用結構:形容詞比較級+than ... 

He is taller than I. 他比我高。 

最高級(用于三者或三者以上的比較),

常用結構:   

the + 形容詞的最高級+of / in ... 

He is the tallest of the three. 

他是這三個人中最高的。 He is the funniest in his class. 

他是他們班最有趣的。 

形容詞、副詞比較級和最高規(guī)則變化和不規(guī)則變化。 

規(guī)則變化 

一般情況下,單音節(jié)或雙音節(jié)的形容詞(或副詞)比較級+er , 最高級+est  如: 

clever-cleverer-cleverest  

few-fewer-fewest  

small-smaller-smallest等。 

以e結尾的詞,比較級+r,最高級+st 即可。 如:

nice-nicer-nicest  cute-cuter-cutest   large-larger-largest 

以輔音字母+y結尾的變y為i+er或est 如: easy-easier-easiest happy-h(huán)appier-h(huán)appiest 

再如:early , busy , heavy , dirty , lazy也如此。 

多音節(jié)和部分雙音節(jié)的詞需要在形容詞原級前+more構成比較級,+the most構成最高級。如: 

beautiful - more beautiful - the most beautiful 

又如: delicious, popular, important, interesting, expensive, creative

雙音節(jié)的詞如: careful - more careful - the most careful useful - more useful - the most useful

少數(shù)單音節(jié)詞也是這樣,如:pleased- more pleased - the most pleased   

tired-more tired -the most tired 

b) 不規(guī)則變化: good —better — best   well —better — best 

bad-worse - worst     

many, much — more — most 

far — farther —farthest       (距離遠)   

far — further — furthest      (程度深) 

old — elder — eldest           (長幼)   

old — older —oldest           (年齡)

Homework

Review the new words and expressions in Section A. 

Try to write as many sentences as you can using comparisons.

(10 sentences at least)

... ... ...

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