somtime,some time,sometimes,some times的用法,区别

题目

somtime,some time,sometimes,some times的用法,区别
麻烦讲解下它们各自是什么意思,用在什么时态的句子中,有什么区别.
麻烦顺便举几个例句,方便区别.

答案

sometime
adv.
将来某个时候
We'll take our holiday sometime in August,I think.
我想我们大概会在八月放假.
过去某个时候
Our house was built sometime around 1973.
我们的房子建于1973年左右.
some time
在未来的某时,经过若干时间
I will need some time to think over your offer.
sometimes
adv.
有时,不时
sometimes rich,sometimes poor
有时富,有时穷
some times
几次