顺便问一下，你去过上海吗？

By the way, have you ever been to Shanghai?

youdao

你去过上海吗？

Have you ever been to Shanghai?

youdao

你曾经去过上海吗？

Have you ever been to Shanghai?

youdao

你以前去过上海吗？

Have you been to Shanghai before?

youdao

你以前去过上海吗？

Have you been to Shanghai before?

youdao