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rd→23rd 3.序數(shù)詞前常加定冠詞,如 the first book;如果序數(shù)詞之前有 形容詞性物主代詞則去掉 the,如 his first book, his fourteenth birthday。 4.序數(shù)詞的前面可以加上不定冠詞,用來表示“再一,又一”。 You may have a third 。 5. the+序數(shù)詞+名詞=名詞+基數(shù)詞 the second lesson= Lesson Two 考點三 分數(shù)的表達法 分數(shù)用基數(shù)詞作分子,序數(shù)詞作分母。分子大于 1時,作分母的序數(shù)詞用復數(shù)。 1/3 one third 2/5 two fifths 1/2 a half 1/4 a quarter ★分數(shù)作主語時,謂語動詞的單復數(shù)由分數(shù)指代的名詞的數(shù)決定。 Two thirds of the children are from 之二來自加拿大。 考點四 主謂一致 1.語法一致??嫉膸追N情況。 (1)either, neither, each, one, somebody, something, nothing等作主語時,謂語動詞用單數(shù)。 Somebody i