1be동사과거
01be동사과거Ⅰ
02be동사과거Ⅱ
2일반동사과거
01일반동사과거형
02일반동사과거형의부정문과의문문
3과거진행형과비인칭주어It
01과거진행형
02비인칭주어It
4조동사Ⅰ
01can,may
02can,beableto,may의부정문과의문문
5조동사Ⅱ
01must,haveto,hadbetter
02must,haveto,hadbetter의부정문
6의문사Ⅰ
01Who,What,Which
02Who,Whose,What,Which
7의문사Ⅱ
01When,Where,Why
02How
8접속사
01and,or,but
02before,after,sobecause