1、专题四形态学作业In English, plural forms such as mice appear to be treated in a different way from plurals such as rats. If you tell people that a place is infested with mice or rats, they will accept the compounds mice-infested and rat-infested, but not *rats-infested. This would suggest that the forms whi
2、ch have the regular plural affix (-s) follow a different rule in compounding than irregular plural forms such as mice. Can you think of a way to state a rule (or sequence of rules) that would accommodate all the examples givenhere? (The asterisk *designates an unacceptable form.)teethmarks the feet-
3、cruncher lice-infested a people-mover clawmarks the finger-cruncher roach-infested a dog-mover *clawsmarks *the fingers-cruncher*roaches-infested *a dogs-mover名词复数的变化规则小结一、名词单数变为复数之后，内部发生变化或词尾发生变化的词的复合名词foot-feet tooth-teeth man-men woman-women louse-lice mouse-mice child-children 1. 如果这些名词与名词构成复合名词
4、，并且后一个名词为可数名词时，那么构成的复合名词的复数，前后两个名词都要为复数形式如：teethmarks.2. 如果后一个名词为不可数名词或者为动词的过去分词，那么构成的复合名词的复数，前面这个名词要为复数形式后面的不可数名词或者动词的过去分词不变，如：the feet-cruncher，lice-infested.二、集体名词的复合名词1. 如果这些名词与名词构成复合名词，并且后一个名词为可数名词时，那么构成的复合名词，前后两个名词形式不变，如：a people-mover.三、可数名词复合名词1. 如果这些名词与名词构成复合名词，并且后一个名词为可数名词时，那么构成的复合名词的单数，两个名词都为单数形式，如：a dog-mover. 那么*a dogs-mover 不符合规则。此时构成的复合名词的复数，第一个名词形式不变，后一个名词要为复数形式，如：clawmarks. 那么*clawsmarks 不符合规则。2. 如果后一个名词为不可数名词或者为动词的过去分词，那么构成的复合名词，前面的可数名词形式不变后面的不可数名词或者动词的过去分词不变，如：the finger-cruncher； roach-infested. 那么*the fingers-cruncher 和 *roaches-infested 不符合规则。
