수업
“수업” means class or lesson here, as in “수업 후에” and “수업 후에도.” It is useful in time expressions when talking about what happens after a class or lesson, such as “수업 후에 무엇을 해요?” In this dialogue, use it when discussing the language lesson that has just finished.
후에
“후에” means after, and “수업 후에” means after class. It follows a time or event noun to show when something happens. Use it when asking or describing what someone does after an event, as in “수업 후에 무엇을 해요?”
무엇을
“무엇을” means what as the object of the action in “수업 후에 무엇을 해요?” The form comes before the action being asked about. Use it when asking what someone does or what someone chooses as the object of an action.
해요
“해요” means do in the question “무엇을 해요?” It completes a polite everyday question about an action and follows the object “무엇을.” In this dialogue, use it to ask someone about their activity after class.
저는
“저는” means I or as for me, marking the speaker as the topic in “저는 여기 남아서 복습해요.” It commonly comes before a statement about the speaker’s own action or situation. Use it when answering a question about what you do.
여기
“여기” means here, referring to the classroom location in “저는 여기 남아서 복습해요.” It identifies the place where the speaker stays and reviews. Use it when telling someone that an action or stay happens in the current place.
남아서
“남아서” means staying or remaining and then, linking staying with the following action in “여기 남아서 복습해요.” It shows that the speaker remains in the classroom before reviewing. Use “남아서” when one action or situation leads into another action, especially staying before doing something.
복습해요
“복습해요” means review in “저는 여기 남아서 복습해요” and “같이 복습해요.” It is the action of going over lesson material again, and it follows a place or manner expression such as “여기서 같이.” In this dialogue, use it when reviewing a lesson after class, alone or with someone.
이
“이” means this and points to the classroom in “이 교실을.” It comes directly before the noun it identifies. Use “이” with a nearby or currently relevant noun when referring to a specific thing, as in “이 교실을 조금 더 사용해도 돼요?”.
교실을
“교실을” means classroom as the object in “이 교실을 조금 더 사용해도 돼요?” The ending marks the classroom as the thing being used. Use it when talking about using this classroom, especially in a permission question about remaining there.
조금
“조금” means a little in “조금 더,” describing a small additional amount of time or degree. Together, “조금 더” means a little more or a little longer here. Use it when requesting or describing a small extension, such as asking to use the room a little longer.
더
“더” means more or longer in “조금 더 사용해도 돼요?” It increases the amount or duration of the action, while “조금” limits that increase to a small amount. Use it before an action or description when asking for an additional amount or duration.
사용해도
“사용해도” contributes the action use in the permission question “사용해도 돼요?” The permission meaning comes from the whole expression, not from “사용해도” alone. Use “사용해도 돼요?” when politely asking whether it is allowed to use something, such as the classroom in this dialogue.
돼요
“돼요” means is it okay or is it permitted in “사용해도 돼요?” Together with “사용해도,” it forms a polite permission question. Use this expression when asking whether an action is allowed, as A does when asking to use the room longer.
후에도
“후에도” means even after or also after, and “수업 후에도” means even after class. The ending adds the idea that the situation continues or is allowed at that later time. Use it when saying that an action or situation remains possible after an event, as in “수업 후에도 여기 있어도 돼요.”
있어도
“있어도” means being or staying, even if or when, in “여기 있어도 돼요.” The permission meaning comes from the whole expression “있어도 돼요,” while “있어도” supplies the action of staying or being there. Use it when asking or stating that someone may remain in a place.
그걸
“그걸” means that as the object, referring here to the information that staying after the lesson is allowed. It appears in “그걸 알아서 도움이 돼요,” before the action “알아서.” Use it to refer back to something already mentioned when that information is the object of a later action.
알아서
“알아서” means knowing that or because I know that in “그걸 알아서 도움이 돼요.” It gives the reason why the information is helpful, while the full result is expressed by “도움이 돼요.” Use it when explaining that knowing or learning something leads to a helpful result.
도움이
“도움이” means help as the subject in “도움이 돼요,” which means is helpful. It describes information or an action as providing assistance or benefit. Use “도움이 돼요” when responding that something someone told or did is useful.
그럼
“그럼” means then and marks a transition from the information just given to a proposed next action. It begins “그럼 여기서 같이 복습해요,” linking the permission to the decision to review together. Use it when accepting a situation and suggesting what to do next.
여기서
“여기서” means here, at this place, and identifies the location of the action in “여기서 같이 복습해요.” It is used when an activity takes place in the current location. In this dialogue, use it to say that the two people will review in the classroom.
같이
“같이” means together in “그럼 여기서 같이 복습해요.” It shows that the speaker and another person will perform the action jointly. Use it when inviting someone to do an activity with you, such as reviewing together after class.