Unit 2: Grammar and Usage
Plural Nouns
1. Some nouns form plurals irregularly. There are no rules, only through constant study and memorization can these following words be mastered.
Examples : child ( children ); man ( men ); woman ( women ); foot ( feet )
2. Some nouns have the same form for both the singular and also for the plural. Never add s to these nouns to form the plural.
Examples : series, sheep, deer, corps, Chinese
3. Some nouns that look like plurals are really singular in meaning and take a singular predicate.
Examples : mathematics, news, United States
4. There are some nouns that are alwasy plural and have no singular forms.
Examples : statistics, cattle, clothes
5. Form plurals of letters and figures by adding s.
Examples : Cross t’s and dot i’s.
There are too many 7’s in your answer to the problem.