I need to go to the store.She wants to learn to play the piano.We decided to take a walk in the park.He asked me to help him with his homework.They plan to visit their grandparents next weekend.The key to success is hard work and perseverance.Please remember to turn off the lights when you leave.I'm looking forward to seeing you again soon.It's important to follow the rules of the road.She tried to call him, but he didn't answer.

to는 크게 2가지 용법이 있다. 

to 명사

to 동사 

to 명사는 쉽다. 

to the school 

... 다가간다 the school 

to busan 

... 다가간다. 부산 

to 동사는 그냥 동사만 읽으면 된다. 

I need to go to the store.

나는 필요하다. 간다 가게

She wants to learn to play the piano.

그녀는 원한다. 배운다 연주하다 피아노 

여기서 현명한 자라면 발견한다. 

동사2개가 겹치면 to가 사용된다는 것을 

필요하다 간다. 

필요하다. to 간다 

need to go 

원한다. 배우다 연주하다. 

원한다. to 배우다 to 연주하다

wants to learn to play

I need /to go /to the store.She wants /to learn /to play the piano.We decided /to take a walk /in the park.He asked me /to help him /with his homework.They plan /to visit their grandparents next weekend.The key /to success is hard work and perseverance.Please remember /to turn /off the lights /when you leave.I'm looking forward /to seeing you again soon.It's important /to follow the rules /of the road.She tried /to call him, but he didn't answer.