as/so long as as/so far as as well as so often as的区别和用法（详细）

这一个是特殊的用法, long 在这不表示长
as/so long as
只要
I don't care who you are, I will be grateful as long as you help me.
我不管你是谁, 只要你帮助我我都会很感激
as/so far as 和 as/so often as 都属于一类的, 是普通的
普通的情况下, as + 形容词 + as 就是 与...一样+形容词
比如： He ran as far as Tom
他和Tom 跑得一样远
He does his homework as often as Tom
他和Tom做作业的频率相同
as/so well as 就有点特殊
有两种用法, 一种是普通的, 跟上面一样, 另一种是表示“也”
例句： 普通用法： He speaks english as well as Tom
他的英语说得跟Tom一样好
特殊用法: He, as well as Tom, has joined the club.
他和Tom都参加了俱乐部

只要 到…为止 也