dated, was in a relationship with
付き合ったことないんでしょう？
You've never been in a relationship, have you?
一度付き合った
We dated once.
— JUNO／ジュノ (2007)
女と付き合ったことある？
Have you ever dated a woman?
— 甘い生活 (1960)
誰とも、付き合ったことないんでしょう？
You've never dated anyone, have you?
今まで何人の人と付き合った？
How many people have you dated?
彼女は彼を捨てて、金持ちの男と付き合った。
She left him and started dating a rich man.