except 和 except for 的区别
1.Except for a few words he didn”t say anything.
2.Everyone is here except Jimmy.
从这两个句子看出区别：
1.everyone 和 Jimmy 都是人,属同类事物,用except,再如：
We go to school every day except Sunday.
这种用法表示：从整体中减除部分.
2.word 和 anything 不属于同类事物,用 except for ,再如：
Your composition is good except for some spelling mistakes.composition 和 mistakes 不属于同类事物.
这种用法表示：对整体说明做细节修正.
Except that后接从句
但在介词短语之前只能用except,其它,所以：
We go to bed before 10,except in the summer.我们除在夏天外,10点前睡觉.