Reconsider The Substitution Rules Of Comparativesentence

Chinese comparative sentence is a complicated system.It has three daughtersystems.They are “ping bi” sentence pattern,for example,“Zhang is as tall asLi.”;“cha bi” sentence pattern， for example, Zhang is three centimeter taller thanLi;”ji bi” sentence pattern,，for example, He is the most clever boy in threeboys.“cha bi” sentence pattern is the sentence that called comparative sentence inEnglish.The research findings of“cha bi” sentence pattern is divide into two main parts.One is the research findings of the asymmetric structure of comparative items，theother is the replacive regularity of comparative items.During the comparative sentences,there are some sentences whose comparativeitems is the form of “N1de N”and“N2de N”（N means nouns）such as：（1）Wangming’s clothes are more beautiful than Zhanghong’s clothes.（2）Wangming’s dog run faster than Zhanghong’s dog.（3）The white dress is longer than the red dress.（4）Wangming’s energy is more Zhanghong’s energy.Those sentences have the same form in Chinese.The form is “N1de N+bi+N2de N+VP”（VP means predicate）.But in fact,they can be divided into four differentparts:A “N2de N” can be replaced by both“N2de”and“N2”,like example1：Example1a王明的衣服比张红的衣服漂亮。b王明的衣服比张红的漂亮。c王明的衣服比张红漂亮。B“N2de N” can only be replaced by “N2de”,like example2:Example2a白色的裙子比红色的裙子长。 b白色的裙子比红色的长。c*白色的裙子比红色长。C “N2de N” can only be replaced by “N2de”,like example3:Example3a王明的心胸比张红的心胸宽广。b*王明的心胸比张红的宽广。c王明的心胸比张红宽广。There is a new concept called weight. We use W1to express the weight of“N1deN”, and use W2to express the weight of“N2”.And the replacive regularity ofcomparative items is:（1）When W1is smaller than W2，“N2de N”can be replacedby both“N2de”and “N2”；（2）When W1is bigger than W2，or W1is as big asW2，or there is no W2,“N2de N”can only be replaced by “N2de”；（3）Whenthere’s no W1,but there is W2，““N2de N”can only be replaced by “N2”.The advantages of this regularity is to make foreigners study Chinese moreeasily.