1、,PART 1,语法导学,PART 2,达标检测,Period Four GrammarDegrees of comparison,PART1,语法导学,感悟规律 重点难点剖析,感知以下课文原句，完成方框下的小题,语法感知,1.The earth is forty-nine times larger than the moon. 2.Its getting brighter and brighter. 3.The closer you are，the more youll see. 4.The more books I read，the more information I learn. 5.
2、We need rather more than that.,1.由句1可知一种倍数的表达法： 。 2.句2为“比较级and比较级”结构，意为“ ”。 3.句3和句4为“the比较级.，the比较级”意为“ ”。 4.由句5可知 可以修饰比较级。,查看答案,倍数形容词/副词的比较级than,越来越,越，(就)越,rather,一、倍数的表达法,语法精析,二、用形容词和副词表示比较级和最高级的几个重要句型 1.“比较级than”意为“比更”。 Thats easier said than done.说比做容易。 2.“.as原级as.”意为“和一样”。 The building is as hi
3、gh as the tower. 这幢建筑和那座塔一样高。 3.“.not as/so原级as.”意为“不及”。 My dictionary is not as/so useful as yours. 我的字典不如你的有用。,4.no more.than表示“和一样都不”；而not more.than则表示“不如”，相当于“not so.as”。 Jack is no more intelligent than John. 杰克与约翰一样都不聪明。 She is not more generous than her younger sister. 她不如她妹妹慷慨大方。 5.“比较级and比较
4、级”意为“越来越”。 In the future，there will be less and less oil，gas and coal left. 将来，石油、天然气和煤会越来越少。 Our school is becoming more and more beautiful. 我们的学校正变得越来越美丽。,6.“the比较级.，the比较级.”意为“越，(就)越”。 The more，the better.越多越好。 The more we have，the more we want.人欲无穷。 7.“否定词比较级”表示最高级含义。 He has never spent a more w
5、orrying day. 他度过了最忧虑的一天。 There is no greater love than that of a man who lays down his life for his friends. 为朋友而放弃生命的人的爱是最伟大的爱。,三、比较级的修饰语 在英语中，我们经常可以用一些词或短语来修饰形容词或副词的比较级。常见的几种形式如下： 1.比较级的修饰语通常为副词或短语，置于比较级前面，说明比较级的程度。常用副词或短语有：a little，little，a bit，bit，a lot，a great deal，much，far，rather，slightly，by f
6、ar，even，still，nearly，almost，any，just等。 The green pen is a bit more expensive than the red one.这支绿色的笔比那支红色的贵一点。 A train runs much faster than a bus. 火车比公共汽车跑得快得多。,注意：(1)by far修饰比较级时，一般放在比较级的后面；如果放在前面，则应在形容词或副词的比较级前面加定冠词the。 He is taller by far than his brother. 他比他弟弟高得多。 She is by far the taller of t
7、he two sisters. 她显然是两姐妹中比较高的。 (2)any意为“稍微，一些”，多用于疑问句、否定句或含有否定意义的句子中。 She was too tired to walk any further. 她累得一点也走不动了。,2.分数、百分数、时间、长度、重量等词也可放在比较级前，表示作比较的二者之间相差的程度。 He is five minutes later than he was yesterday. 他比昨天晚到了五分钟。,单句语法填空 1.According to a review of evidence in a medical journal，runners liv
8、e three years (long) than non-runners.(2018全国) 2.Corn uses less water rice and creates less fertilizer(化肥) runoff. (2018全国) 3.He screams the (loud) of all.(2018全国) 4.There could be an even (high) cost on your health.(2018浙江) 5.Even (bad)，the amount of fast food that people eat goes up. (2017全国),高考链接
9、,longer,than,loudest,higher,worse,查看答案,6.Sixteen years (early)，Pahlsson had removed the diamond ring to cook a meal.(2017浙江) 7.If you feel stressed by responsibilities at work，you should take a step back and identify(识别) those of (great) and less importance.(2016全国) 8.I have always enjoyed all the e
10、vents you organized and I hope to attend many (many) in the coming years.(2016浙江) 9.Finally，that hard work paid off and now the water in the river is _ (clean) than ever.(2014新课标全国) 10.The (hard) you try to beat him，the more likely you will get hit. (2014辽宁),earlier,more,harder,greater,cleaner,查看答案,
11、PART2,达标检测,当堂检测 基础达标演练,1.As summer is coming，the day is becoming and .(long) 2.The (warm) the weather is，the (good) the crops will grow. 3.We have never spent a (exciting) day. 4.The yellow building is twice the (high)of the red one. 5.How beautifully she sings！Ive never heard a (good) voice. 6.The
12、rainfall this year is twice it was last year. 7.We need a piece which is a great deal (big) than that. 8.The man is ten years (old) than his wife.,longer,warmer,more exciting,height,查看答案,better,what,.单句语法填空,longer,better,bigger,older,9.The patient has responded to the treatment rather (good) than ex
13、pected. 10.Your idea is not good，but hers is even (bad). 11.Can you move a little (far)? 12.Which is the (large) country，Canada or Australia? 13.This rope is (two) longer than that one. 14.This hill is four times the (high) of that small one. 15.The pianos in another shop will be (cheap)，but not as
14、good.,better,worse,farther,查看答案,larger,twice,height,cheaper,Its snowing.Its already December now.The weather is getting 16._ and (cold).My daughter loves snow.She has been looking forward to the snows coming for a long time.This morning，when my daughter got up and looked out of the window，she sudden
15、ly found it was snowing.She rushed out，singing and jumping.She had never seen a 17. (beautiful) scene than this before.The 18. (heavily) it snowed，the 19. (many) children gathered.Many children made snowmen outside，but my daughter thought she got the 20. (cool) snowman.The snowman she made was about twice 21. (large) than the others.,colder,colder,more beautiful,.语法填空,more,more heavily,coolest,查看答案,larger,