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, I saw some extremely valuable pictures. Function of noun phrases As Object Complement: They elected him chairman of the board. The School Board have appointed her superintendent of the city’s schools. As Appositive: Mr. Brown, director of the coal mine, should be responsible for the accident. Alice, a professor of the department, will be invited to our English Evening. Function of noun phrases As Prepositional Complement, (or Prepositional Object): We teachers should be concerned about the students’ moral culture. Within the house nothing stirs. In the garden I can hear the singing of birds. I can hear the rustle of their wings. Function of noun phrases As Adverbial and Conjunction: He returned last night. A photo is taken each time (=whenever) this button is pushed. She phoned her parents the moment (=as soon as) she reached the hotel. Number forms of nouns ① Regular and irregular plural Individual nouns are all countable and therefore have singular and plural forms. The regular plural is formed by adding –s or –es to the base (., photos, tomatoes, boxes, wives, etc.), while the irregular plural is not formed in the above way but by other means such as by changing the internal vowel or by changing the ending of the noun (., tooth – teeth, man – men, mouse – mice, child – children, ox – oxen). P4244 ? Irregular plurals also include some words of foreign origin, borrowed from Greek, Latin or French (known as “foreign plurals”). ? Some borrowed words have two plural forms: a foreign plural and an English plural. ? For some nouns, their singular and plural number share the same form. P44 P45 P45 ② Number forms of the collective, material, abstract and proper noun a) Number forms of the collective noun: Some collective nouns are countable, some are not. Countable collective nouns behave just like individual nouns. An uncountable collective noun has no plural form. If we want to count the number, we have to use a kind of individual noun related semantically to the collective.