Meaning
Used for a deadline by which an action must be completed.
Formation
- A time noun or a dictionary form + までに: 六時までに, 出かけるまでに
- まで is up until, までに is no later than
When to use it
- Core use
- By the deadline
Example
六時までに帰ります
I will be back by six o’clock.
Important notes
- Pay attention to the word form before the construction and to the particles around it.
Common mistakes
- Do not translate the pattern word for word; first identify its function in the whole situation.