Sometimes the first symptom of cardiovascular disease is death.
He's strange sometimes.
Native speakers sometimes make mistakes, but not usually the same kind of mistakes that non-native speakers make.
I sometimes wish I could live a quiet retired sort of life but I doubt I could stand it for more than a few days.
Your English is grammatically correct, but sometimes what you say just doesn't sound like what a native speaker would say.
I may seem confident, but I get extremely nervous speaking in front of people. My hands tremble, I get all tongue-tied, and sometimes I don't even know what I'm saying myself.
Furthermore, even after the company information session, we sometimes hold company tours.
Cesar Chavez asked that strikers remain non-violent even though farm owners and their supporters sometimes used violence.
Sometimes, if I look at a forest of trees, I get in a trance and don't even realize until minutes later.
Even a blind squirrel finds an acorn sometimes.
In order to gain media recognition, sometimes AIDS patients have to push themselves into the public eye.
When dubbing Japanese TV series in English, characters from Osaka are sometimes given a Texas accent. Both Southern and Kansai accents are distinctive in their respective languages.
She is at her wit's end with her son. He sometimes does not come home until 3 or 4 a.m.
My husband likes to have a drink in the evening. He drinks 6 or more bottles of sparkling wine and 5 or 6 bottles of warm sake. Sometimes he has a day where he doesn't drink, but it has never lasted for more than two days.
The heart of man is the place the devil dwells in; I feel sometimes a hell within myself.
English word "有时"(sometimes) occurs in sets:时间，日期及频率 - Time, calendar and frequency