and
用法：由and/both...and连接的并列主语的主谓一致的用法：
由and/both...and连接的并列结构作主语，可根据主语的意义决定谓语动词的单、复数形式。
例如：
Pancakes and syrup is a tasty breakfast.
The number and diversity of British newspaper is considerable.
Good and bad taste are inculcated by example.
当and连接的并列名词词组带有each，every,或者many a 等限定词时，谓语动词通常用单数。
例如：
Each man and each woman there is asked to help.
Every flower and every bush is to be cut down.
Every change of season, every change of weather, indeed every hour of the day, produces some change in the magical hues and shapes of these mountains.
Many a boy was disappointed after seeing the film.
追问好像还有so that whaat's more等 只是不知道它们的用法
追答so that 的用法：引导目的状语从句时，表示“以便；为了”，从句中常使用can /could /may /might /will /would /should等情态动词或助动词；引导结果状语从句时，从句中一般不用can和may等词，在so that前可以用逗号，意思是“因此;所以”。如：The little boy saved every coin so that he could buy his mother a present on Mother's day.
what's more 的用法：what' more 表示递进，然而/还有...的意思，独立使用，more后面不加词和句
既可以放句首，也可以放句中，放句首当然w要大写W
what's more后面加逗号。
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