教学ppt课件 Unit 4 What’s the best movie theater selfcheck.pptVIP

Unit 4 What’s the best movie theater? young-yonger-yongest old –older -oldest early-earlier-earliest thirsty-thirstier-thirstiest 1. 一般情况下加-er 或－est : 2. 以字母e结尾的形容词，加-r 或- st 4. 以　“辅音字母＋y”结尾的双音节词，先改“y”为“i”，再加-er 或-est. big—bigger -biggest fat—fatter-fattest nice –nicer-nicest safe –safer -safest 3. 重读闭音节词只有一个辅音字母时，应先双写辅音字母，再 加-er或-est. Revision 一、形容词比较级和最高级的变化规则 5.部分双音节词或多音节词前面加more ,most.如: interesting more interesting most interesting famous more famous most famous 原级 比较级 最高级 good/well better best bad/ill worse worst many/much more most little less least far old older elder oldest eldest farther further farthest furthest 两多、两坏、两多、 一少、一老 、一远. Read and compare : young long full short small old fine easy hungry early heavy big red younger youngest longer longest fuller fullest shorter shortest smaller smallest older oldest finer finest easier easiest hungrier hungriest earlier earliest heavier heaviest bigger biggest redder reddest healthy many famous ill exciting carefully wet hot little few healthier healthiest more most more famous most famous worse worst more exciting most exciting more carefully most carefully wetter wettest hotter hottest less least fewer fewest 二. 比较级、最高级的用法 1.原级:可用very, quite, so, too,等词修饰. e.g Jim is very tall. 2.比较级:可用much ,many ,a lot ,a little ,a bit 等修饰.其主要句型有： ⑴比较级+than e.g Mary is much younger than Sue. ⑵疑问句+动词+比较级,AorB? e.g Who draws better ,Tom or Jim? ⑶ Which …like better, A or B? e.g Which do you like better ,maths or English? ⑷ 比较级+ and+比较级，表