Going to buy mugs with 〜に行く
Grammar Explanation: Going to for a purpose with 〜に行く

Talking about the coffee cups, Cocoa recalls an interesting cup she had found. She suggests going to buy it sometime.
- ココア:
- 「今度買
( いに行( かない?」- “Why don't we go buy some?”
- Literal: “Next time, won't we go for buying?”
- “Why don't we go buy some?”
Key Points
1買( いに行( く states the purpose of going
- The group would go to the shop in order to buy the cups Cocoa mentioned.
2買( う uses its stem before に
- 買
( う becomes 買( い, followed by purpose marker に and movement verb 行( く.
3行( かない is an invitation here
- The negative question 今度
( 買( いに行( かない? means “why don’t we go buy them sometime?”
Vocabulary
今度 (This time)
今度
( generally has two meanings: (1) the present (this time) and (2) the near future (next time). Depending on the context, it can refer to either the “past to present” or the “future”.
See Also
- Kanji: Measures and degrees with 度
- Kanji: Now and the present with 今
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