many修飾復數(shù)可數(shù)名詞,表許多； much修飾不可數(shù)名詞,表量或程度.
He has many friends,but few true ones.
There hasn't been much good weather recently.
（2）many a:
many a和many同義,但語氣比較強,并且要與單數(shù)名詞及單數(shù)形動詞連用.
Many a prisoner has been set free.(=Many prisoners have been set free.)
〔3〕as many和so many均等于the same number of.前有as,like時,只用so many.
These are not all the books I have.These are as many more upstairs.
They worked like so many ants.
（4）as much等于the same amount of,表同量和同一事情.
He bought two pounds of sugar and as much tea.〔同量）
I was not in the least surprised,for I had fully expected as much.〔同一事情）
（5）many和much之后不接名詞時,作為代名詞；另外much也可用副詞.
Many of them were very tired.
I don't eat much for lunch.〔代名詞）
He is much taller than I.（副詞）