连接副词：when何时, where哪儿, why为什么, how怎么 He wants to know when the party is. He wants to know where the party is. He wants to know why they have a party. He wants to know how they come.
练习：
He doesn't know that/if/whether she is at school. He wants to know where she is. He wants to know why she comes. when where how
if/whether
He wants to know what she is reading. He wants to know whose book it is.
第四十九讲 比较级&最高级（1） 1、通常在形容词和副词后面加“er”“est” 如：hard-harder-the hardest
2、词尾是不发音的单音节e时，加“r”“st” 如：nice-nicer-the nicest
3、词尾是辅音+y的双音节时，去掉“y”加“ier”“iest” 如：dry-drier-the driest 4、以一个辅音结尾的重读闭音节时，双写最后一个字母，加“er”“est”。如：hot-hotter-the hottest
5、多音节和双音节，在形容词和副词前加： 程度加强：“more”“the most” 程度减弱：“less”“the least”
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如：interesting-more/less interesting 更有趣\\更无趣 -the most/the least interesting 最有趣\\最无趣
注：单词中有几个元音就有几个音节
6、不规则变化：good-better-the best many-more-the most
练习：
high -higher -the highest late -later -the latest heavy -heavier -the heaviest thin -thinner -the thinnest famous -more/less famous -the most/the least famous little -less -the least
第五十讲 比较级&最高级的应用（2）
1、形容词或副词的比较级：表示“比较??”（?比?更?，两者间进行比较）
He is taller than his brother. 他比他的哥哥更高
The book is more expensive than the pen. 那本书比那支钢笔更贵
Her English is better than his. 她的英语比他好 2、形容词的最高级：表示“最??”（三者或三者以上进行比较） He is the tallest in his class.
The book is the most expensive of the three. Her English is the best among the three.
3、练习：
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The girl is cleverer (clever)than the boy.
The computer is the most expensive (expensive)among the three.
The man is healthier (healthy) than his wife.
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