Chapter 1
Unit1 Let's go! [명령어 / Let's 제안문]
Unit2 What's this [의문사 what]
Unit3 There is a flying man. [There is(are) + 단수 (복수)]

Chapter 2
Unit1 I am 센스황. [인칭대명사+be동사]
Unit2 Are you Dr. 유능한 ? [be동사의 yes/ no 의문문]
Unit3 Who are you ? [의문사 who]

Chapter3
Unit1 That's a full moon. [지시대명사 this / that]
Unit2 I like strawberry cookies. [일반동사 like 긍정문/부정문/의문문]
Unit3 I have some coins. [일반동사 have 긍정문/부정문/의문문]

Chapter 4
Unit1 I can do it! [조동사 can]
Unit2 I have to go on a diet. [조동사 have to]
Unit3 I want a cell phone! [일반동사 want 긍정문/부정문/의문문문]

Chapter 5
Unit1 Where is the picture? [의문사 where]
Unit2 When is your birthday? [의문사 when /요일,날짜 말하는 법]
Unit3 How are you today? [의문사 how]

Chapter 6
Unit1 Elvis is always late. [빈도부사]
Unit2 I'm watching TV. [현재진행형]
Unit3 How many cars do you have? [수나 양을 묻는 표현]

Chapter 7
Unit1 Somebody stole it. [과거시제 / 규칙동사 / 불규칙동사]
Unit2 Did you watch the movie? [과거시제의 의문문]
Unit3 I'm going to go on vacation! [미래시제 / 날씨 묻고 답하기]