Grammar Works 1권

Unit 1. a girl, two girls | 셀 수 있는 명사
Unit 2. a cup of water | 셀 수 없는 명사
Unit 3. a chair, an old chair, the chairs | a, an, the와 명사
Unit 4. he and she, this or that | 인칭대명사와 지시대명사
Unit 5. He is a photographer. | be동사의 긍정문
Unit 6. She is not a dancer. | be동사의 부정문과 의문문
Unit 7. It's mine. | 인칭대명사와 소유대명사
Unit 8. He jogs every day. | 일반동사의 긍정문
Unit 9. She doesn't like fast food very much. | 일반동사의 부정문과 의문문
Unit 10. Tina can speak French. | 조동사 (1)
Unit 11. You must follow the rules. | 조동사 (2)
Unit 12. The women are beautiful. | 형용사의 쓰임과 수량 형용사
Unit 13. The cars move slowly. | 부사의 쓰임과 빈도부사
Unit 14. My uncle lives in Paris. | 위치/장소/시간을 나타내는 전치사
Unit 15. There are three restaurants around here. | there is/are와 비인칭 주어 it
Unit 16. Who is that man? | 의문사가 있는 의문문 (1)
Unit 17. How long will you stay here? | 의문사가 있는 의문문 (2)
Unit 18. Please be quiet. | 명령문, 제안문, 감탄문

Grammar Works 2권

Unit 1. Carol is cooking spaghetti now. | 현재진행 시제
Unit 2. Wilson will be a captain next year. | 미래 시제 〈will〉
Unit 3. He is going to attend a university. | 미래 시제 〈be going to〉
Unit 4. Amy was four years old. | be동사의 과거 시제
Unit 5. Amy's family lived in Florida. | 일반동사의 과거 시제 (1)
Unit 6. They didn't go to the theater. | 일반동사의 과거 시제 (2)
Unit 7. The woman is taller than the boy. | 비교급
Unit 8. The man is the tallest. | 최상급
Unit 9. The girl is as short as the boy. | 원급
Unit 10. To study a language is interesting. | to부정사
Unit 11. Her dream is becoming a doctor. | 동명사
Unit 12. This tea is too hot to drink. | to부정사와 동명사를 활용한 표현
Unit 13. Would you like some? | 부정대명사
Unit 14. This perfume smells sweet. | 감각동사와 수여동사
Unit 15. Jessica and Janet are twins, aren't they? | 부가의문문
Unit 16. James is young but wise. | 접속사 (1)
Unit 17. When I was a kid, I learned to skate. | 접속사 (2)
Unit 18. I believe that he will win the race. | 접속사 (3)"

Grammar Works 3권

Unit 1. Was Sam sitting behind you? | 미래를 나타내는 방법과 과거진행 시제
Unit 2. This online game isn't easy for us to play. | to부정사의 다양한 쓰임
Unit 3. The cat is scratching itself. | 재귀대명사와 부정대명사
Unit 4. I have studied Chinese for two years. | 현재완료 시제 (1)
Unit 5. The plane has just landed. | 현재완료 시제 (2)
Unit 6. I've had a toothache since last week. | 현재완료 시제 (3)
Unit 7. The floors are cleaned every day. | 수동태의 의미와 형태
Unit 8. These glasses are not broken. | 수동태의 부정문과 의문문
Unit 9. The novel wasn't written by the author. | 능동태와 수동태
Unit 10. Which is faster, a bus or the subway? | 다양한 비교 표현
Unit 11. If I had wings, I would fly all over the world. | 가정법
Unit 12. Do you know who that man is? | 간접의문문
Unit 13. I have a brother who is a cook. | 관계대명사 (1)
Unit 14. All that he said may be true. | 관계대명사 (2)
Unit 15. This is the jacket Mom bought for me. | 관계대명사의 특별한 쓰임과 관계부사
Unit 16. Peter always makes me laugh. | 주어+동사+목적어+목적격 보어
Unit 17. The curry was so spicy that I couldn't eat it. | 양보/대조/결과/목적을 나타내는 접속사
Unit 18. Feeling tired, I came back home early. | 분사구문