as well as的本义与引申义
一、用于本义
as well as 用于本义,可视为as…as结构与well的自然搭配,其意为“与……一样好”,在否定句中可用not so well as代替 not as well as.如：
He speaks English as well as her.他说英语说得跟她一样好.
She plays every bit as well as the men.她打得一点不比男人们差.
He doesn’t play half as well as his sister.他演奏的水平不及他姐姐的一半.
He sings as well as,if not better than,Mary.要是他唱歌不比玛丽唱得更好,但至少也是一样好.
二、用于引申义
用于引申义,表示“不但……而且”“既是……也是”“而且”“还”.如：
He grows flowers as well as vegetables.他既种菜也种花.
She shares (in) my troubles as well as my joys.她与我同甘共苦.
They have a flat in town as well as a place in the country.他们在城里有一套公寓,在乡村还有一所房子.