1강 I drink
1-1강 I don’t drink
2강 I drink coffee
3강 I can drink coffee
4강 I must drink coffee
5강 I might drink coffee
6강 I will drink coffee
7강 I drank coffee
8강 I could drink coffee
9강 I am 이시원 and this is my book
10강 I am pretty
11강 I am here and my car is in 여의도
12강 I was here yesterday
13강 I will be busy, I can be busy, I should be busy
14강 I will be in 서울 today
15강 Are you busy? Were you busy?
16강 I’m drinking coffee
17강 I was drinking, I will be drinking
18강 I want to drink coffee
19강 When/Where/what/Why/How/With whom do you work?