英语学习，区分单词

（1） besides与except
前者表示”除．．．以外，还有．．．”；后者表示”从整体中除去．．．”
这个大家都知道，就不举例子了．

（2）except与except for
a．除去的和非除去的是同类事物，用except
eg：
All the essays are well written except Nelson's.
Nelson的文章（除去的）和All the essays（非除去的）是同类事物，所以用except．
b．除去的和非除去的不是同类事物，用except for，并且从语气上通常表示遗憾．
eg：His essay is well written except for a few spelling mistakes.
a few spelling mistakes(除去的）和His essay（非除去的）是不同类的事物．

（3）apart from 具有多重意义：既可表示besides，也可以表示exept或exept for，还可以表示without的意思
eg：
Apart from the cost,it will take a lot of time.(=besides)
The orphan had no one to take care of him apart from his uncle.(=except)
He has done good work,apart from a few slight faults.(=except for)
There can be no knowledge apart from practice.实践出真知．（＝without）

（4）excepting =except,但一般用于句首或用于not，without，always等词之后
eg:
Excepting his brother,they are all right.

All my brothers com here every day,always excepting t