1) Have you ever been bitten by a dog?
你曾被狗咬过吗？
2) Does your dog bite? = Is it in the habit of biting people?
你的狗咬人吗
3) Have you ever broken a bone?
你曾经骨折过吗？
5) Have you ever been to a horse race?
你曾看过赛马吗？
6) Have you ever held a secretarial position?
你曾当过秘书吗？
参考词条