Meaning
The pattern 〜(time)までに expresses that an action must be completed by or before a specific time limit. The time noun before までに indicates the deadline for completing the action. Note: only time expressions can precede までに, not locations.
Formation
| Part of speech | Formation |
|---|---|
| 名词（时间）＋までに | 名詞（時間）までに 動詞 |
Examples
- 土曜日までに 大阪に もどります。
I will return to Osaka by Saturday.
Summary
- Use までに to indicate a time deadline for completing an action
- Always place a time noun before までに (not locations like 〜までに)
- The action must be finished by or before the specified time