diff --git a/docs/howtostudykorean/unit-1/08-adverbs.md b/docs/howtostudykorean/unit-1/08-adverbs.md
index cb33467..1ead5ec 100644
--- a/docs/howtostudykorean/unit-1/08-adverbs.md
+++ b/docs/howtostudykorean/unit-1/08-adverbs.md
@@ -1,5 +1,140 @@
 # Lesson 8: Adverbs, Negative Sentences
 
+<SentenceQuiz>
+
+- 저는 병원을 지었어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-1I-built-a-hospital.mp3" /> = <span class="md spoiler">I built a hospital</span>
+  - [When and Where](#when-and-where)
+- 저는 병원에 갔어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-2I-went-to-thea-hospital.mp3" /> = <span class="md spoiler">I went to the/a hospital</span>
+  - [When and Where](#when-and-where)
+
+- 저는 병원을 공원 옆에 지었어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/1-I-built-a-hospital.mp3" /> = <span class="md spoiler">I built a hospital beside the park</span>
+  - [When and Where](#when-and-where)
+
+- 저는 화요일에 가겠어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/2-I-will-go-on-Tuesday.mp3" /> = <span class="md spoiler">I will go on Tuesday</span>
+  - [When and Where](#when-and-where)
+- 저는 저녁에 공부했어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/3-I-studied-in-the-evening.mp3" /> = <span class="md spoiler">I studied in the evening</span>
+  - [When and Where](#when-and-where)
+- 저는 가을에 공원 옆에 병원을 지었어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-3I-built-a-hospital-beside-the-park-in-the-fall.mp3" /> = <span class="md spoiler">I built a hospital beside the park in the fall</span>
+  - [When and Where](#when-and-where)
+
+- 여름에 저는 공부하겠어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/5-I-will-study-in-the-summer.mp3" /> = <span class="md spoiler">I will study in the summer</span>
+  - [When and Where](#when-and-where)
+
+- 저는 한국에 오늘 도착했어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2015/11/Lesson-8-s1.mp3" /> = <span class="md spoiler">I arrived in Korea today</span>
+  - [When and Where](#when-and-where)
+- 저는 도서관에 어제 갔어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2015/11/Lesson-8-s2.mp3" /> = <span class="md spoiler">I went to the library yesterday</span>
+  - [When and Where](#when-and-where)
+- 저는 내일 한국어를 공부하겠어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-6-I-will-study-Korean-tomorrow.mp3" /> = <span class="md spoiler">I will study Korean tomorrow.</span>
+  - [When and Where](#when-and-where)
+
+- 저는 저의 친구를 자주 만나요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-4I-meet-my-friend-often.mp3" /> = <span class="md spoiler">I meet my friend often</span>
+  - [To what degree](#to-what-degreehow-much)
+- 저는 밥을 많이 먹었어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-5I-ate-a-lot-of-food-rice.mp3" /> = <span class="md spoiler">I ate a lot of food (rice)</span>
+  - [To what degree](#to-what-degreehow-much)
+- 저는 집에 바로 갔어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-6I-went-home-immediately.mp3" /> = <span class="md spoiler">I went home immediately</span>
+  - [To what degree](#to-what-degreehow-much)
+- 저는 숙제를 빨리 했어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-7I-did-my-homework-quickly.mp3" /> = <span class="md spoiler">I did my homework quickly</span>
+  - [To what degree](#to-what-degreehow-much)
+
+- 저는 많은 밥을 먹었어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-8I-ate-a-lot-of-rice.mp3" /> = <span class="md spoiler">I ate a lot of rice</span>
+  - [To what degree](#to-what-degreehow-much)
+- 저는 밥을 많이 먹었어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-9I-ate-a-lot-of-rice.mp3" /> = <span class="md spoiler">I ate a lot of rice.</span>
+  - [To what degree](#to-what-degreehow-much)
+
+- 저는 조용하게 먹었어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-7-I-ate-quietly.mp3" /> = <span class="md spoiler">I ate quietly</span>
+  - [To what degree](#to-what-degreehow-much)
+- 저는 거리를 안전하게 건넜어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-8-I-crossed-the-street-safely.mp3" /> = <span class="md spoiler">I crossed the street safely</span>
+  - [To what degree](#to-what-degreehow-much)
+- 저는 행복하게 살았어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/9-I-lived-happily.mp3" /> = <span class="md spoiler">I lived happily</span>
+  - [To what degree](#to-what-degreehow-much)
+
+- 저는 매우 빨리 달렸어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-10-I-ran-really-quickly.mp3" /> = <span class="md spoiler">I ran really quickly</span>
+  - [To what degree](#to-what-degreehow-much)
+- 저는 빨리 먹었어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-11-I-ate-fast.mp3" /> = <span class="md spoiler">I ate fast</span>
+  - [To what degree](#to-what-degreehow-much)
+- 저는 바로 떠났어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-12-I-left-immediately.mp3" /> = <span class="md spoiler">I left immediately</span>
+  - [To what degree](#to-what-degreehow-much)
+- 저는 저의 친구를 목요일에 자주 만나요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-13-I-often-meet-my-friend-on-Thursday.mp3" /> = <span class="md spoiler">I often meet my friend on Thursday</span>
+  - [To what degree](#to-what-degreehow-much)
+- 저는 가끔 너무 많이 먹어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-14-I-eat-too-much-someitmes.mp3" /> = <span class="md spoiler">I eat too much sometimes</span>
+  - [To what degree](#to-what-degreehow-much)
+
+- 그 여자는 안 예뻐요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-10That-girl-isnt-pretty.mp3" /> = <span class="md spoiler">That girl isn’t pretty</span>
+  - [Negative](#negative-sentences)
+- 저는 생선을 안 좋아해요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-21-I-dont-like-fish.mp3" /> = <span class="md spoiler">I don’t like fish</span>
+  - [Negative](#negative-sentences)
+- 저는 내일 학교에 안 가겠어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-19-Im-not-going-to-school-tomorrow.mp3" /> = <span class="md spoiler">I’m not going to school tomorrow</span>
+  - [Negative](#negative-sentences)
+
+- 그 여자는 예쁘지 않아요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-11That-girl-isnt-pretty.mp3" /> = <span class="md spoiler">That girl isn’t pretty</span>
+  - [Negative](#negative-sentences)
+- 저는 생선을 좋아하지 않아요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-22-I-dont-like-fish.mp3" /> = <span class="md spoiler">I don’t like fish</span>
+  - [Negative](#negative-sentences)
+- 저는 내일 학교에 가지 않겠어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-20-Im-not-going-to-school-tomorrow.mp3" /> = <span class="md spoiler">I’m not going to school tomorrow</span>
+  - [Negative](#negative-sentences)
+
+- 저는 공부를 안 했어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2016/06/Lesson8nnsent7.mp3" /> =<span class="md spoiler"> I didn’t study</span>
+  - [Negative](#negative-sentences)
+- 저는 실수를 안 했어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2016/06/Lesson8nnsent8.mp3" /> = <span class="md spoiler">I didn’t make (do) a mistake</span>
+  - [Negative](#negative-sentences)
+- 저는 여행을 안 했어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2016/06/Lesson8nnsent.mp3" /> = <span class="md spoiler">I didn’t travel</span>
+  - [Negative](#negative-sentences)
+
+- 저는 공부하지 않았어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-16-I-didnt-study.mp3" /> = <span class="md spoiler">I didn’t study</span>
+  - [Negative](#negative-sentences)
+- 저는 공부를 하지 않았어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2016/06/Lesson8nnsent2.mp3" /> = <span class="md spoiler">I didn’t study</span>
+  - [Negative](#negative-sentences)
+- 저는 실수하지 않았어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2016/06/Lesson8nnsent3.mp3" /> = <span class="md spoiler">I didn’t make a mistake</span>
+  - [Negative](#negative-sentences)
+- 저는 실수를 하지 않았어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2016/06/Lesson8nnsent4.mp3" /> = <span class="md spoiler">I didn’t make a mistake</span>
+  - [Negative](#negative-sentences)
+- 저는 여행하지 않았어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2016/06/Lesson8nnsent5.mp3" /> = <span class="md spoiler">I didn’t travel</span>
+  - [Negative](#negative-sentences)
+- 저는 여행을 하지 않았어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2016/06/Lesson8nnsent6.mp3" /> = <span class="md spoiler">I didn’t travel</span>
+  - [Negative](#negative-sentences)
+
+- 저는 안 행복해요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2016/06/Lesson8nnsent1.mp3" /> = <span class="md spoiler">I am not happy</span>
+  - [Negative](#negative-sentences)
+- 저는 행복하지 않아요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/01/Lesson-8-18-Im-not-happy.mp3" /> = <span class="md spoiler">I am not happy</span>
+  - [Negative](#negative-sentences)
+
+- 저는 밥을 천천히 먹었어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-12I-ate-rice-slowly.mp3" />= <span class="md spoiler">I ate rice slowly</span>
+  - [Negative](#negative-sentences)
+
+- <span class="md spoiler">I am not a teacher</span> = 저는 선생님이 아니에요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-13I-am-not-a-teacher.mp3" />
+  - [To not be](#to-not-be-아니다)
+- <span class="md spoiler">I am not your friend</span> = 나는 너의 친구가 아니야 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-14I-am-not-your-friend.mp3" />
+  - [To not be](#to-not-be-아니다)
+- <span class="md spoiler">I am not a university Student</span> = 저는 대학생이 아니에요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-15I-am-not-a-University-Student.mp3" />
+  - [To not be](#to-not-be-아니다)
+
+- 저는 돈이 없어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/25-I-dont-have-money.mp3" /> = <span class="md spoiler">I don’t have money</span>
+  - [To not have](#to-not-have-없다)
+- 저는 시간이 없어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/26-I-dont-have-time.mp3" /> = <span class="md spoiler">I don’t have time</span>
+  - [To not have](#to-not-have-없다)
+- 우리는 차가 없어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-16We-dont-have-a-car.mp3" /> = <span class="md spoiler">We don’t have a car</span>
+  - [To not have](#to-not-have-없다)
+
+- 저의 친구는 지금 한국에 없어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/27-My-friend-is-not-in-Korea-now.mp3" /> = <span class="md spoiler">My friend is not in Korea now</span>
+  - [To not have](#to-not-have-없다)
+- 사람이 없었어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/28-There-was-nobody-there.mp3" /> = <span class="md spoiler">There was no people</span>
+  - [To not have](#to-not-have-없다)
+
+- 저는 과일을 싫어해요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/29-I-dislike-fruit.mp3" /> = <span class="md spoiler">I dislike fruit</span>
+  - [To not like](#to-not-like-싫어하다-and-싫다)
+- 저는 과일을 좋아해요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2016/06/Lesson8nnsent9.mp3" /> = <span class="md spoiler">I like fruit</span>
+  - [To not like](#to-not-like-싫어하다-and-싫다)
+
+- 그 선생님은 좋다 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2013/05/That-teacher-is-good.mp3" /> = <span class="md spoiler">That teacher is good</span>
+  - [To not like](#to-not-like-싫어하다-and-싫다)
+- 이 학교는 좋다 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2015/11/22.mp3" /> = <span class="md spoiler">This school is good</span>
+  - [To not like](#to-not-like-싫어하다-and-싫다)
+
+- 저는 과일이 싫어요 <AudioButton src="https://www.howtostudykorean.com/wp-content/uploads/2014/12/Lesson8-18I-dislike-fruit.mp3" /> = <span class="md spoiler">I dislike fruit</span>
+  - [To not like](#to-not-like-싫어하다-and-싫다)
+
+</SentenceQuiz>
+
 ## Vocabulary
 
 ### Nouns