小学英语比较级和最高级ppt课件VIP

.,1,tall,Bob,Tom,Mr.Zhang,.,2,ChenglongistallerthanPanchangjiang.YaoMingisthetallestofthethree.,.,3,fast,.,4,strong,baby,Tom,Mr.Black,.,5,Bob,Tom,Tim,.,6,形容词的比较级两个事物或人的比较用比较级，比较级后面一般带有单词than。,.,7,形容词的最高级表示三者或三者以上（人或事物）的比较用最高级，最高级的前面一定要加定冠词the。,.,8,比较级与最高级的区别,.,9,形容词比较级和最高级的规则变化,.,10,1:单音节词，在词尾加er构成比较级，加est构成最高级。,tall-taller-tallest,longlongerlongestsmallsmallersmallestshortshortershortestnewnewernewest,.,11,2:以不发音的e结尾,直接在词的后面加r构成比较级,加st构成最高级,nice-nicer-nicestlargelarger-largest,.,12,重读闭音节词,双写结尾的辅音字母,再加er构成比较级，加est构成最高级。,hothotter-hottestbigbiggerbiggestfatfatterfattestthinthinnerthinnest,.,13,以辅音字母+y的词,把y变i加er构成比较级，把y变i加est构成最高级。,easy-easiereasiestbusybusierbusiestheavyheavierheaviesthappyhappierhappiest,.,14,一、写出下列形容词的比较级和最高级old_young_tall_long_short_strong_big_small_fat_thin_heavy_high_early_easy_,.,15,比较级句子结构：A+is/are+形容词比较级+than+BForexample：Tomisolderthanbill.Thetreeistallerthantheflower.Hispictureisnicerthanhers,.,16,最高级的句子结构：A+is/are+the+最高级+范围,Forexample：Russiaisthelargestcountyintheworld.Lucyisthetallestgirlintheclass.Thenileisthelongestriverintheworld.,.,17,二、根据句意填入单词的正确形式,1Mybrotheristwoyears_(old)thanme.2.Whatis_(long)riverintheworld?.3.Isyoursister_(young)thanyou?Yes,sheis.4.Whois_(thin)inyourclass?.5.Whosepencil-boxis_(big),yoursorhers?6.Myeyesare_(big)thanher