有谁知道some time,sometimes ,some times,sometime这几个词的区别?

some time: time 为不可数名词,意为"时间"
some times :time为可数名词,意为"次"
sometime 指将来的某个时候
sometimes=at times 是频度副词,意为"有时候"
例如:
1.I need some time to finish my homework.
2.I have been to Beijing some times.
3.I will go to England sometime.
4.Sometimes, I have lunch at school.

某一段时间
有时
几次
某次

some time:一段时间
eg :He always stays with his grandparents for some time after school.
sometimes:有时
eg:He sometimes works in the day.
some times:若干次
He say the sentence for some times but didn't get it right.
sometime:某时(用于将来)
I wish I could fly to the moon sometime

some time:一些时间
sometimes:有时
some times:若干次
sometime:某时(表示将来)