不定限定词(INDEFINITE DETERMINER)：no, some, any, each, every, enough, either, neither, all, both, half, several, many, much, (a) few, (a) little, other, another;
基数词(CARDINAL NUMERAL)：one, two, three, four, five…;
序数词(ORDINAL NUMERAL)：first, second, third, fourth, fifth…;
倍数词(MULTIPLICATIVE NUMERAL)：one third, two thirds…;
分数词(FRACTIONAL NUMERAL)：twice, three times…;
量词(QUANTIFIER)a lot of, lots of, plenty of, a great of, a good deal of, a large of, a small amount of, a quantity of, a great of, a good number of…。
