不曾到过

例句：

1. 1. I've never seen a unicorn before.
   我以前从未见过独角兽。
2. 2. She will never forgive him for his cruelty.
   她永远不会原谅他的残忍。
3. 3. He said he would never forget the day we met.
   他说他永远不会忘记我们相遇的那一天。