wǒ qù gōngyuán sànbù de shíhou, shùnbiàn mǎi yì bēi kāfēi.

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Breakdown of wǒ qù gōngyuán sànbù de shíhou, shùnbiàn mǎi yì bēi kāfēi.

• 去qù: to go
• 一yī: one
• 杯bēi: cup/glass classifier

Questions & Answers about wǒ qù gōngyuán sànbù de shíhou, shùnbiàn mǎi yì bēi kāfēi.

What does 的时候 mean here, and why is there a 的 after 散步?

的时候 (de shíhou) means “when / at the time (that) …”.

Structure:

• [action] + 的时候 → “when (I) [do that action]”

So:

• 我去公园散步的时候 → “when I go to the park for a walk”

The 的 here turns the preceding part 我去公园散步 into something like a “time phrase” that 时候 can refer to, similar to:

• “the time when I go for a walk in the park”

You’ll see this pattern very often:

• 我吃饭的时候 – when I eat
• 他上班的时候 – when he goes to work
• 你回家的时候 – when you go home

You can also say 我去公园散步时, dropping 的 and using 时 instead of 时候. That’s a bit more formal/literary. In everyday speech, 的时候 is much more common and sounds natural.

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Can I omit 的 and just say 我去公园散步时候?

No, that sounds wrong in modern standard Mandarin.

For this pattern in normal spoken and written Chinese, you should use:

• 我……的时候
  or the more formal:
• 我……时

So:

• ✔ 我去公园散步的时候
• ✔ 我去公园散步时 (formal)
• ✘ 我去公园散步时候 (unnatural)

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Why is the part 我去公园散步的时候 put at the beginning of the sentence?