공책을
“공책을” means “the notebook” here. “을” marks the notebook as the object of the action in “가져오는 것을”. Use it after a noun when that noun is the object of an action.
가져오는
“가져오는” means “bringing” in this dialogue. It describes the action that is treated as the thing forgotten before “것을”. Use an action description before “것을” when referring to that action as a thing.
것을
“것을” means “the act of” here and marks that act as the object of “잊었어요”. In “가져오는 것을”, it makes bringing the notebook the thing that was forgotten. It can follow an action description when that action is treated as an object.
잊었어요
“잊었어요” means “forgot” in this dialogue. It is a polite past statement about forgetting to bring the notebook, related to the dictionary form 잊다. Use it after the thing or action that was forgotten.
이
“이” means “this” and points to the paper near the speaker. It comes directly before “종이를” to describe which paper is meant. Use “이” before a noun for a nearby or clearly indicated thing.
종이를
“종이를” means “the paper” as the object being used. “를” marks the paper as the object of “사용해도 돼요”. Use it after a noun when that noun is the thing used or acted on.
사용해도
In “사용해도 돼요”, “사용해도” presents using the paper as the action whose permission is being discussed. The permission meaning comes from the whole expression with “돼요”. Use this action form before “돼요” when asking whether an action is allowed.
돼요
In “사용해도 돼요”, “돼요” means “it is okay” or “may”. Together with “사용해도”, it gives permission to use the paper rather than simply meaning “is okay” by itself. Use it in a polite permission expression after an action.
고마워요
“고마워요” means “thank you” in this dialogue. The speaker uses it politely after being offered paper. Use it when thanking someone in everyday polite conversation.
새
“새” means “new” and describes “단어를”. It identifies the words as words the learner has not learned or used before in this context. Use “새” directly before a noun to describe it as new.
단어를
“단어를” means “the word or words” as the object of writing. “를” marks the words as what the speaker wants to write in “새 단어를 쓰고 싶어요”. Use it after a noun when that noun is the object of an action.
쓰고
“쓰고” supplies the action “write” and connects it to “싶어요”. Together, “쓰고 싶어요” means “want to write”. Use an action form like this before “싶어요” to say what you want to do.
싶어요
“싶어요” adds the meaning “want to” to the action before it. With “쓰고”, it politely expresses the speaker’s wish to write the new words. Use it after an action form to express a desire.
좋은
“좋은” means “good” and describes “생각이에요”. Here it gives a positive evaluation of the suggestion to write the new words. Use it directly before a noun when describing that noun positively.
생각이에요
“생각이에요” means “is an idea” here, completing the polite statement “Good idea”. It identifies the suggestion as an idea. Use it after a noun when politely saying that something is an idea.
저도
“저도” means “I too” or “me too”. “저” refers politely to the speaker, and “도” adds the meaning “also”; here the speaker will write the new words as well. Use it after a person or pronoun to say that they do something too.
쓸게요
“쓸게요” means “I will write” as a polite intention or offer. In this dialogue, the speaker offers to write the new words too. Use it when volunteering or promising to do an action for the situation or listener.
수업
“수업” means “class” or “lesson”. In “수업 후에”, it names the class after which the words will be checked. Use it with time expressions when talking about activities connected with a class.
후에
“후에” means “after” and follows “수업” in “수업 후에”. It places checking the words later than the class. Use it after a noun to say that something happens after that noun’s time or event.
확인해
“확인해” supplies the action “check” and connects to “볼까요”. Together, “확인해 볼까요” politely suggests checking the new words. Use this action form before “볼까요” when suggesting that someone try or do an action.
볼까요
In “확인해 볼까요”, “볼까요” turns the preceding action into a polite suggestion meaning “shall we check?” It invites the other person to do the action together. Use it after an action form to make a polite suggestion or question.
우리
“우리” means “we” in this dialogue, referring to the speaker and the listener together. It is the subject of “같이 읽을 수 있어요”. Use it when referring to yourself and another person or group together.
같이
“같이” means “together”. Here it says that the speakers will read the new words jointly, not separately. Use it before an action when two or more people do that action together.
읽을
“읽을” supplies the action “read” before “수 있어요”. With the rest of the expression, it means that the speakers can read the words. Use this action form before “수” to express that the action is possible.
수
In “읽을 수 있어요”, “수” marks the possibility or ability to do the action before it. The full expression means “can read”, not simply “read”. Use it after an action form when expressing ability or possibility.
있어요
In “읽을 수 있어요”, “있어요” completes the polite expression of ability and gives the meaning “can”. It works with “수” and the preceding action “읽을”. Use it after “수” when saying politely that an action is possible.