この
この means “this” here and directly identifies この列 as the line being discussed. A common reuse pattern is この + noun, such as この箱 in this dialogue.
列
列 means “line” or “queue” here, referring to people waiting for the counter. It appears in この列 and カウンターの列, and the pattern Xの列 can identify what a line is for.
は
は marks この列 as the topic: “As for this line...” in この列はカウンターの列ですか?. It commonly follows the topic before the rest of the sentence explains or asks about it.
カウンター
カウンター means “counter” here, the service counter for which the line is intended. In カウンターの列, の links the counter with the line.
の
の links カウンター with 列 in カウンターの列, giving the meaning “the counter’s line” or “a line for the counter.” The same linking pattern appears in 私の番 and あの人の次.
です
です makes the statement polite in この列はカウンターの列ですか?. The pattern Xですか? is used to ask politely whether something is X.
か
か marks the end of この列はカウンターの列ですか? as a question. It turns the polite statement ending です into a yes-or-no question.
ここ
ここ means “here,” identifying the place where the line starts in ここが列の始まりです. It also combines with で in ここで待ちます to identify where an action happens.
が
が marks ここ as the place being identified as the start in ここが列の始まりです. The phrase presents “here” as the specific point that is the beginning of the line.
始まり
始まり means “beginning” or “start” here, specifically the start of the line in 列の始まりです. The pattern Xの始まり can identify the beginning of something.
チケット
チケット means “ticket” here, the item the speaker asks about in チケットが必要ですか?. It is the item described as necessary in チケットが必要です.
必要
必要 means “needed” or “necessary” here. In チケットが必要です, it says that a ticket is needed; the pattern Xが必要です states that X is necessary.
箱
箱 means “box” here, specifically the box from which a ticket should be taken in この箱から一枚取ってください. It can be used with a demonstrative such as この箱 to identify a particular box.
から
から marks the source in この箱から一枚取ってください: the ticket is to be taken from this box. It commonly follows a place or source from which something is taken.
一枚
一枚 means “one flat item” here, referring to one ticket in 一枚取ってください. It is used with a flat item such as a ticket, and the phrase 一枚取ってください asks someone to take one.
取って
取って contributes the action “take” or “get” in 取ってください. Together, 取ってください is a polite request meaning “please take it,” and 一枚取ってください requests one ticket.
ください
ください makes 取ってください a polite request: “please take it.” A common request pattern is a verb in the て-form followed by ください, as in 取ってください.
私
私 means “I” or “my” here, identifying the speaker in 私の番. In the pattern Xの番, it identifies whose turn it is.
番
番 means “turn” here, as in 私の番 and あなたの番. The pattern Xの番 identifies the person whose turn it is in an ordered situation such as a line.
いつ
いつ means “when” here and asks when the speaker’s turn will come in 私の番はいつですか?. The phrase いつですか? is a polite way to ask when something is.
あの
あの means “that” here and points to the person referred to as あの人. It is used before a noun when identifying a particular person or thing.
人
人 means “person” here, referring to the person ahead in the line in あの人 and 前の人. These phrases identify a person by pointing to them or describing their position.
次
次 means “next” here, indicating the position after that person in あの人の次. The pattern Xの次 identifies what comes after X in an order or sequence.
あなた
あなた means “you” here, referring to the listener in あなたの番. The phrase あなたの番 means “your turn” in this line situation.
で
で marks the location of the action in ここで待ちます: the speaker will wait here. It commonly follows a place before an action performed there.
待ちます
待ちます means “wait” here and describes the speaker’s planned action in ここで待ちます. It is the polite form of 待つ; the pattern Xで待ちます can state where someone will wait.
前
前 means “ahead” or “in front” here, describing the person ahead in the line in 前の人. The phrase 前の人 identifies someone positioned before the speaker.
もうすぐ
もうすぐ means “soon” or “almost” here and shows that the person’s completion is near in もうすぐ終わります. It commonly comes before an action or event that is expected shortly.
終わります
終わります means “will finish” or “will end” here; in もうすぐ終わります, it says that the person ahead will be finished soon. It is the polite form of 終わる, and もうすぐ終わります is a reusable way to say that something will finish soon.