表示“许多”的英语短语常用的就行,越多越好!请注明它后面加的名词是可数或不可数.

a large quantity of +n
a plenty of +n/un
a good many of +n
a number of +集合名词
a lot of + un/n
a variety of +n
lots of +un/n
varieties of
a great deal of +u
so many +n
too much +un
much too +adj/adv
so much +un
many a\an\another(后接单数可数，表示许多〕
un=不可数名词
n=可数名词

number of +集合名词
a lot of + un/n
a variety of +n
lots of +un/n
varieties of
a great

a large quantity of +n
a plenty of +n/un
a good many of +n
a number of +集合名词
a lot of + un/n
a variety of +n
lots of +un/n
varieties of
a great deal of +u
so many +n
too much +un
much too +adj/adv
so much +un
many a\an\another(后接单数可数，表示许多〕
un=不可数名词
n=可数名词

so many
so much

a lot of
lots of
some 可数

a number of

a lot of (U\C)lots of (U\C)a large quantity of (C)plenty of (U〕a good many of （U〕a number of （C〕a variety of （C〕varieties of （C〕a great deal of （U〕many a\an\another(后接单数可数,表示许多〕...

a large quantity of
a plenty of
a good many of
a number of
a lot of
a variety of
lots of
varieties of
a great deal of