Unit7 Section A Grammar.ppt

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1、Grammar FocusGrammar FocusGrammar FocusGrammar FocusUnit 7 Whats the highest mountain in the world?1.形容词、副词比较级和最高级形容词、副词比较级和最高级规则变化规则变化和和不规则变化不规则变化。a)规则变化规则变化 1)一般情况下，一般情况下，单音节或双音节的形容词单音节或双音节的形容词（或（或副词副词）比较级比较级er，最高级最高级est 如：如：clevercleverercleverest fewfewerfewest smallsmallersmallest等。等。2)以以e结尾的词，

2、比较级结尾的词，比较级r，最高级，最高级st 即可。即可。如：如：nicenicernicest cutecutercutest largelargerlargest 3)以以辅音字母辅音字母y结尾的变结尾的变y为为ier或或est 如如:easyeasiereasiest happyhappierhappiest 再如：再如：early,busy,heavy,dirty,lazy也如此。也如此。4)双写最后一个辅音字母双写最后一个辅音字母er 或或 est的词的词,同学要用心去记。同学要用心去记。fatfatterfattest thinthinnerthinnest hothotterho

3、ttest redredderreddest wetwetterwettest bigbiggerbiggest 5)多音节和部分双音节的词多音节和部分双音节的词需要在形容词需要在形容词原级前原级前more构成构成比较级比较级、the most构构成成最高级最高级。如：。如：beautiful more beautiful the most beautiful 又如又如:delicious,popular,important,interesting,expensive,creative等等双音节双音节的词如的词如:careful more careful the most careful us

4、eful more useful the most usefulb)不规则变化：不规则变化：good better best well better best badworse worst many,much more most far farther farthest (距离远距离远)far further furthest (程度深程度深)old elder eldest (长幼长幼)old older oldest (年龄年龄)little-less-least比较级修饰问题比较级修饰问题a little,a bit,even,still,much,a lot,far 等可修饰比较级。等

5、可修饰比较级。e.g.Tom is a little taller than Jim.This book is much more interesting than that one.4aFill in the blanks with the correct forms of the words in the box.bigmuchpopularlongoldhigh1.The Amazon River is one of the _ rivers in the world.Its a little _ than the Yangtze River.2.Qomolangma is 8,844.43 meters _.Its one of the most _ places for serious mountain climbers.longestlongerhighpopular3.No ocean in the world is as _ as the Pacific Ocean.4.Although Japan is _ than Canada,it is _ smaller.bigmuchpopularlongoldhighbigoldermuch