Korea has achieved tremendous growth in a short period of time. There are many smart people and many talented people who stand out in many fields. For example, Kim Yu-na in figure skating, director Bong Joon-ho and Yoon Yeo-jung in the movie <Mina-ri> in the film industry, and soprano Jo Su-mi. This is always a ​an stimulus to me. And I also feel confident that I will be a person to spread a good influence. 

-내가 나중에 전화할게.

I will call you later. ✔

-내 스타킹 또 나갔어.

My stockings are out again. ---> My stocking ran again.

=> Your sentence has a correct grammatical structure, but this has the correct usage/ expression.

-올림픽 기록이 깨졌다. 

The Olympic record has been broken. ---> The Olympic record was broken.

​=> Your sentence has a correct grammatical structure, but this has the correct usage/ expression.​