常見英文錯誤：How old did you get married?
June 30, 2014
How old was Jeff when his parents got divorced?
How old was Bill Gates when he founded Microsoft?
How old were you when you started learning English?
I was 18 when I found my first job. /
I found my first job when I was 18.
He was only six when his parents got divorced.但也可以不要用子句而用片語
He started playing the piano at age five.
She died at the age of 87.
At 26, he was already the owner of three companies.另外，如果要用某個求學階段來表達做某事時的大約年紀
比如：He started playing basketball (when he was) in elementary school.We met (when we were) in college. (我們是唸大學時認識的。)