【many】请问如何区别many和much的用法?

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【答案】 many修饰复数可数名词,表许多； much修饰不可数名词,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同义,但语气比较强,并且要与单数名词及单数形动词连用.
　　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时,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之后不接名词时,作为代名词；另外much也可用副词.
　　Many of them were very tired.
　　I don't eat much for lunch.〔代名词）
　　He is much taller than I.（副词）