as well as 可连接并列的单词或短语
如果as well as 前面是动词不定式,那么其后的动词也是不定式,但to要省略应保持一致.
由as well as 连接的复合主语并不影响谓语动词的数
as well as 连接的人称代词既可以是主格也可以是宾格,但句意不同.
as well as 用于肯定结构和否定结构中,其意义不同
强调连续性和反复性,and连接相同的两个词,可以是动词、名词、形容词或副词
祈使句+and+简单句”结构,表示条件关系,祈使句相当于if引导的条件从句.
在口语中,and可用在come,go run,hurry up,stay,stop等动词后代替表示目的的动词不定式,这些词也可以接带to的不定式
and位于句首时常用来承上启下,有“那么；于是；因此”之意
and用来连接数词（=plus）时,表示“加”.
and all that = and so on = and so forth = and what not,意为“诸如此类；等等”.
and yet表示“但是；然而”.
and 与 as well as :
and 不含
as well as 含比较成分