[Student’s sentence]

 

8時まで会社に来てください
Be at the office by 8 o’clock

*8じまでかいしゃにきてください

 

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[My correction]

 

8時まで会社に来てください
→8時までに会社に来てください
Be at the office by 8 o’clock

 

”〜まで“ means ”to continue the action all the way up to ~.“ On the other hand, ”〜までに“ indicates that ”~ is the deadline for the action.“ In this case, ”〜までに“ should be used because it implies that ”8:00 is the deadline for arriving at the office.“

 

Examples:

何時(なんじ)までに駅(えき)に行(い)けばいいですか。
By what time should I be at the station?
(This question is asking what the latest time is that I should arrive at the station by.)

 

何時まで勉強(べんきょう)しますか。
Until what time will you study?
(This question asks about until what time the studying will continue.)

 

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Chika sensei(@chika_sensei)がシェアした投稿

In the JLPT course, each lesson includes homework. Submit your homework, and I’ll provide corrections. I’ll break down Japanese grammar, highlighting mistakes and explaining structures and nuances in a simple way. Feel free to ask as many questions as you need—I’m here to help you understand!