Before.

📚 Before, adverb.

🔉 /bɪˈfɔː(r)/ 🇬🇧 /bɪˈfɔːr/ 🇺🇸

❓ Definition: At an earlier time; in the past; already.

❗️ Examples:

1. You should have told me so before.
2. It had been fine the week before (= the previous week).
3. That had happened long before (= a long time earlier).
4. I think we've met before.
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🌀 @cambridge_dic

📚 Before, conjunction.

🔉 /bɪˈfɔː(r)/ 🇬🇧 /bɪˈfɔːr/ 🇺🇸

❓ Definition: Earlier than the time when.

❗️ Examples:

1. Do it before you forget.
2. Did she leave a message before she went?
3. Before I made a decision, I thought carefully about it.
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🌀 @cambridge_dic

Based on Before, belongs to @Daujn.
https://t.center/Daujn/10