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倍数表达法知识点归纳,英语表示倍数的句型结构

ashao 04-19 10:45 阅读 我爱育娃
Jennifer: How was your trip in Hong Kong , Vicki? Vicki: Not bad. Jennifer: I heard that prices there are higher than those in Shanghai. Is it true? Vicki: Yes, it’s true. Personally speaking, prices in Hong Kong are twice higher than tho

Jennifer: How was your trip in Hong Kong , Vicki?

Vicki: Not bad.

倍数表达法知识点归纳,英语表示倍数的句型结构

Jennifer: I heard that prices there are higher than those in Shanghai. Is it true?

Vicki: Yes, it’s true. Personally speaking, prices in Hong Kong are twice higher than those in Shanghai.

Jennifer: Really? Incredible! How about the transportation and living conditions?

Vicki: The cost of transportation(交通) and accommodation(住宿) is also higher. It’s about three times as high as in Shanghai.

Jennifer: Oh, my.

倍数表达法知识点归纳,英语表示倍数的句型结构

Molly: 香港的物价好高啊!

老师:那你注意到Vicki是怎么对比香港和上海的物价的吗,Molly?

Molly:我学过比较级,所以根据higher可以推测出香港的物价更高,但是句子里有的单词我不太清楚具体是什么意思,比如 twice,three times。

老师:这就是我们今天要学习的新知识啦——倍数的表达法。

倍数表达法知识点归纳,英语表示倍数的句型结构

Molly:哦~原来是表示几倍的意思呀,Kathy,你给我讲讲吧!

老师:英语中,我们通常使用“基数词+ times”来表达倍数,比如 three times 三倍,four times四倍等。但是一倍和两倍的概念,需使用once和twice来表达。

Molly:哦~我知道了,所以刚刚Vicki说的:

“Prices in Hong Kong are twice higher than those in Shanghai. ”意思就是“香港的物价是上海的两倍”。

老师:倍数的基本表达方式主要有三种:

倍数表达法知识点归纳,英语表示倍数的句型结构

1. A + 谓语+ 倍数+ 形容词/副词比较级 + than + B

此时表达的概念为“A比B大(长、高、多等)多少倍”

比如:

This rope is twice longer than that one. 这条绳子比那条长两倍。

言下之意就是,这条绳子是那条的三倍长。

Molly:哦~所以刚刚的句子意思是“香港的物价比上海高两倍。”,也就是“香港的物价是上海的三倍。”

老师:Very good!所以在用这种结构表达倍数时,一定要注意和中文区别开,英文倍数要-1哦!

Molly:知道啦,老师。

老师:倍数的第二种表达就是:

2.A + 谓语 + 倍数 + as + 形容词/副词原级 + as + B

此时表达的概念为“A正好是B的多少倍”

比如:

Asia is four times as large as Europe. 亚洲的面积是欧洲的四倍。

This big stone is three times as heavy as that one. 这块大石头的重量是那块的三倍。

Molly:所以对话里“It’s about three times as high as in Shanghai.”的意思就是“它的价格是上海的三倍。”

老师:Bingo!倍数的第三种表达方式是:

3.A + 谓语 + 倍数 + the + 名词 + of + B

倍数表达法知识点归纳,英语表示倍数的句型结构

此时表达的概念也是“A正好是B的多少倍”,名词通常为面积size,长度length,高度height,宽度width等。

比如:

This street is four times the length of that one. 这条街是那条街的四倍长。

This hill is four times the height of that small one. 这座山的高度是那座小山的四倍。

Molly:我都懂啦,老师。

老师:那你能用刚刚老师讲的这三种倍数表达方式来翻译下面这个句子吗?

他们学校的面积是我们学校的三倍。

Molly:没问题,老师。

Their school is twice larger than ours.

Their school is three times as large as ours.

Their school is three times the size of ours.

倍数表达法知识点归纳,英语表示倍数的句型结构

老师:Excellent!If you venture nothing , you will have nothing. 不入虎穴,焉得虎子。要想学好这个知识点,同学们课后就得多加练习哦

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