1) Pattern Talk
I couldn't + 동사원형 + at all.
전혀 ~ 할 수가 없었어.
I couldn't see at all.
전혀 볼 수가 없었어.
I couldn't sleep at all.
전혀 잘 수가 없었어.
I couldn't think at all.
전혀 생각할 수가 없었어.
I couldn't recall at all.
전혀 기억해낼 수가 없었어.
I couldn't understand at all.
전혀 이해할 수가 없었어.
2) Role Play
A : How's your cold?
감기 좀 어때?
B : Bad. Last night, I couldn't sleep at all.
심해. 어젯밤에 전혀 잘 수가 없었어.
A : Get lots of vitamin C.
비타민 C를 많이 섭취해.
