前位限定词：all both half；中位限定词：a/an the zero；后位限定词：one two three。
前位限定词：all both half...double twice three times...one third two fifths.what such a/an
中位限定词：a/an the zerothis that these thosemy your Merry's my friend's.some any no every each either neither enoughwhat(ever) which(ever) .whose
后位限定词：one two three.first second third .next last other another.many much (a) few (a) little fewer less.several plenty of a lot of a large/small amount of.