英语八年级【知识精讲】13.形容词副词(5)形容词副词的原级课件

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这是一份英语八年级【知识精讲】13.形容词副词(5)形容词副词的原级课件，共16页。PPT课件主要包含了答案C，答案A等内容，欢迎下载使用。

形容词、副词的等级：1 . 形容词、副词原级；2 . 形容词、副词比较级；3 . 形容词、副词最高级。
形容词、副词原级用法(1)说明人或事物自身的特征、性质和状态时用形容词、副词原级。The pictures n the wall are nice. 墙上的图片很漂亮。The flwers in the garden are beautiful.花园里的花很漂亮。Tm runs fast.汤姆跑地快。I play the pian well. 我弹钢琴弹得好。
(2)有表示绝对概念的副词very，s，t，enugh，quite等修饰时用形容词、副词原级。very 非常The man is very tall. 这个人很高。This is a very interesting bk. 这是一本很有趣的书。
quite 相当 It's quite cld this mrning. 今天早晨相当冷。s 那么 Yu are s fast. 你那么快。t 太 The by is t yung.这个小男孩太小了。①I am pretty healthy. ② English is s difficult. ③ Mary sings very well. ④ we wrk really hard.
(3)表示A与B在某一方面程度相同或不同时用形容词、副词原级。①肯定句中的结构：“A...＋as＋形容词原级＋as＋B”English is as imprtant as Chinese.英语和语文一样重要。Tm is as tall as I (am).汤姆和我一样高。 And I am as fat as yu (are).而且我和你一样胖。 The temperature is as high as (it was) yesterday. 今天的温度和昨天一样高。
as much/many...+ as... 表示前后数量相同。 I had just as many bnes as yu did. 我和你吃的骨头一样多。I run as fast as Peter （des）She sings as well as I （d）.Tm swims as slwly as Jim （des）.
②否定句中的结构：“A...＋nt＋as/s＋形容词原级＋as＋B”I am nt s fast as Lucy.我没有露西快。This dictinary is nt as useful as that ne. Amy is nt as tall as Peter. These apples are nt as gd as thse nes.I dn’t run as fast as Peter （des）She desn’t sing as well as I （d）.Tm desn’t swim as slwly as Jim （des）.
③表示“A是B的……倍”时，用“A...＋倍数＋as＋形容词原级＋as＋B”结构。(两倍：twice；三倍以上：数字＋times)Our schl is three times as big as his.我们学校是他学校的三倍大。This table is twice as lng as that ne.这张桌子是那张桌子的两倍长。
④“half as＋形容词原级＋as”表示“……是……的一半”。His apples are half as many as his sister's.他的苹果是他妹妹的一半多。Her rm is half as big as yurs.她的房间是你的房间的一半大。
单项选择Americans eat ________ vegetables tday as they did in 1910.A. mre than twiceB. as twice as manyC. twice as manyD. twice as much
单项选择China is almst as as the US, and it is the biggest cuntry in Asia.A. bigB. biggerC. biggestD. bigger and bigger