新概念第一册63-64课D课件.ppt

一般单音节词和少数以-er，-ow结尾的双音节词，比较级在后面加-er，最高级在后面加-est； （1）单音节词 small→smaller→smallest short→shorter→shortest tall→taller→tallest great→greater→greatest （2）双音节词 clever→cleverer→cleverest narrow→narrower→narrowest 以不发音e结尾的单音节词，比较在原级后加-r，最高级在原级后加-st large→larger→largest nice→nicer→nicest able→abler→ablest 在重读闭音节（即：辅音＋元音＋辅音）中，先双写末尾的辅音字母，比较级加-er，最高级加-est； big→bigger→biggest hot→hotter→hottest fat→fatter→fattest 以“辅音字母＋y”结尾的双音节词， 把y改为i，比较级加-er，最高级加-est； easy→easier→easiest heavy→heavier→heaviest busy→busier→busiest happy→happier→happiest 其他双音节词和多音节词，比较级在前面加more，最高级在前面加most； beautiful→more beautiful→most beautiful different→more different→most different easily→more easily→most easily 有少数形容词、副词的比较级和最高级是不规则的，必须熟记。 good→better→best well→better→best bad→worse→worst ill→worse→worst old→older/elder→oldest/eldest many/much→more→most little→less→least far →further/farther→ furthest/farthest 注意：（1）形容词最高级前通常必须用定冠词 the，副词最高级前可不用。 例： The Sahara is the biggest desert in the world. 　　（2） 形容词most前面没有the，不表示最高级的含义，只表示非常。 　例：It is a most important problem. 　　 =It is a very important problem. Retell the story! The doctor comes to Mr. Williams house to visit Jimmy. He is ______ now, but he _________ _____ up yet, becuase he must ______ _____ _____ for another _____ days.He cant eat ______ ______. The doctor tells Mrs. Williams that Jimmy can ______ ______ for about ______ hous each day, so she must ______ the room ______. Unfortunately, Mr. Williams _____ ___. Becuase he _____ a bad ______. better mustnt two rich food get up two keep warm in bed has cold get stay in bed B Y E break down （机器）坏了；（计划）失败；分解，打破；减轻 eg. We are sorry to arrive late, but the car broke down. 很抱歉我们来晚了，因为我们的车坏了。 break into 破门而入；打断（谈话） eg. He broke into our talk rudely. 他粗鲁地打断了我们的谈话。 break off 突然停止；断绝（关系） break up 散会；（学期）结束；（驱散）