sometime; sometimes; some time; some times 的用法和区别
如： i saw him sometime in may.
如： i'll be away for some time.
sometimes i help my mother with the housework.
如：they have been there some times.
you should knock yourself out trying, but in my own experience i have found some times where i can't do that.
however, until more studies are done, women may wish to consult with their physicians about this issue and consider a backup method of contraception at some times of the month.
i do not think it can be questioned that sympathy is a genuine motive, and that some people at some times are made somewhat uncomfortable by the sufferings of some other people.