We don't visit you often because you live so far away. → if

He talks to people like he is an actor, but in fact, he is not an actor. → as if

I was not able to buy the car because Tom didn't lend me the money. 

You didn't eat anything because you were sick. 

To have seen him, you would have thought him a gentleman. 

 I couldn't pass the exam because I didn't study hard.

When you were young, you didn't learn to play the guitar. Now you regret this. I would say: _________→ wish

As I didn't go to the birthday party, I couldn't meet her.

Jennifer talks like she saw the movie, but in fact she didn't. → as if

Without the money, we would have failed in business. → if

It would have been better for him to have taken the job. → if

Born in a rich country, he might have become a great man. → if

만약 내가 우리 학교 교장 선생님이라면, 엄격한 규칙들을 없앨 텐데. (abolish)

나는 내가 (현재) 유명한 가수이면 좋겠다. (I wish ~)

내가 시험에 대비해 (과거에) 공부를 더 많이 했었더라면 좋았을 텐데. (I wish ~)

만약 이메일을 확인했었더라면, 그가 그런 큰 실수는 하지 않았을 텐데.

만약 어제 눈이 왔었더라면, 우리는 스키를 타러 갔었을 텐데.