as much等同于the same amount of，表同量和同一事情。
many和much之后不接名詞時，作為代名詞;另外much也可用副詞。
例句：
There isn't much mail today.
今天郵件不多。
Need you have paid so much?
你用得著花那么多錢嗎？
How much thickener is used?
用了多少增稠劑？
Many Quebeckers are federalists.
很多魁北克人是聯邦主義者。
The war separated many families.
這場戰爭使許多家庭離散。
Many people choose not to marry.
許多人情愿不結婚。