Grammar in Use, Basic - Past Continuous (I was doing)

에휴… 또 나태해서 며칠을 쉬어버렸다…
남들은 공부 열심히 하던데 난 왜 이 모양인지 ㅠㅠ…
지금부터라도 다시 열심히 하자, 안 하는 것 보단 나으니까 ㅠㅠ…

Past Continuous

I am studying English. -> I was studying English.
He is watching TV. -> He was watching TV.
They are driving the car. -> They were driving the car.

  I was doing
        ↓
←-----PAST---------------NOW------------Future-----→
딱 과거의 어느 한 순간

Negative

부정문은 역시나 be 동사 뒤에, 일반동사 앞에 not을 붙이면 된다.
It was raining. -> It wasn't raining.
Her father was eating a breakfast. -> Her father wasn't eating a breakfast.

Questions

(W/H) was/were + subject + doing.
역시나 주어 동사 도치, 의문사는 맨 앞에 나오는 구조로 질문(의문문)을 만든다.
He was playing soccer -> Was he playing soccer?
Their mom was cooking foods. -> Was their mom cooking foods?
Q: What was you studying?
A: I was studying Java programming language.