当时上学时，就被sometime, sometimes, some time,some times 搞得晕乎乎，幸亏当时对英语还算有兴趣，也都能分清这几个词是啥意思。时隔多年（大学毕业13/4年了），再复习一下，万一以后辅导作业整错了多尴尬！
●1. sometimes
adv. 有时，间或，偶尔
这是一个频率副词，与always / usually / often / sometimes, occasionally / never 是一大家，属于how often家族！
例句:
I usually go to school by bike, but sometimes by bus.
通常我骑自行车上学，但是有时候坐公车。
Sometimes l like to read books before sleep.
有时候我喜欢睡前看会书。
●2. sometime
adv.时间副词: 改天，（过去或将来）在某一时间，属于when 家族,指某段或某个不确切的时间（段）。
还可作adj.，以前的，某一时刻的
例句:
I will have a travel sometime next month.
下个月的某个时间我要去旅行。
Sometime in last month, I traveled in Beijing.
上个月某段时间，我在北京旅行。
●3. some time
一段时间，一些时间，time在此是不可数名词时间。提问要用how long!
例句:
I need some time to finish my work.
我需要一段时间来完成工作。
It took me some time to arrive the museum.
我花了点时间才到达博物馆。
●4. some times
几次，几倍，time 在此是可数名词 次数，倍数。提问要用how many times!
通常说几次用several times
例句:
You have already maken mistakes some times during your work today.
今天你在工作中已经犯了几次错了。
I have some（or several）times as many books as he.
My books are some（or several）times as many as his.
我的书是他的几倍多。
练习:写下你的答案吧
1.（ ）they watch TV together.
2. We will build a library in the school（ ）next year.
3. Everything has to end （ ）.
4. I will visit my friend （ ）next month, and I will spend （ ）with her.
,
