a great/good many 的用法 包括所跟名词和动词单复

a good many ,a lot of,a great deal of,a great many of 的区别 a great/good many good friends还是a good/great many of good friends? A good/great many,a large number of ,a great deal(of)的区别 a good many, a good many of, a great deal oa good many, a good many of, a great deal of, a great deal 四个短语的意思,用法和区别 词组 a good many / a good numberof / a great amount of / a great deal of 的区别、用法词组：a good many a good number of a great amount of a great deal of以上四个词组的区别是什么? a good many 等于a great many 是否相同? a good deal ,a great deal ,a good many,a great many 都有大量许多的意思,我想知道它们的区别. (1/2)a great many 和 a good many 和a great deal of 和 a good deal of的区别、（速 a plenty of ,a great deal of ,a good many of,a number of 的区别, a great many与a great deal与a good deal of和a lot of的区别 a lot of/a great deal of/a good many的区别 a great number of与a good many of的区别 a great/good many 的用法 包括所跟名词和动词单复 There are a great many good exercises.为何可用a great前面为何用are a great deal of 和 a great many的区别 many 和a good many的区别 a good/great many可与a large many替换吗? a great many 和a great many of 的区别 a great deal 和a great deal of 的区别