〜てはいけない Prohibition (Day 57) – Japanese from 0 to 100

🌏 Japanese from 0 to 100 — Day 57

〜てはいけない (Prohibition)

🧠 What is 〜てはいけない?

〜てはいけない means “must not / don’t do”.

👉 It expresses prohibition.

🔤 Basic Pattern

👉 て form + はいけない

🔊 Key Point

• Strong rule / prohibition
• Used for rules and warnings
• Often shortened in speech

👉 Example: 〜ちゃだめ (casual)

✍️ How to Use

👉 Pattern:

• Verbて はいけない

Examples:

• ここ で たべてはいけない
= must not eat here

• みず を のんではいけない
= must not drink water

📝 Example Sentences

• ほん を よんではいけない。
  = must not read a book
• がっこう に いってはいけない。
  = must not go to school

👉 Practice speaking

❌ Common Mistakes

• Not using て form
• Forgetting はいけない
• Mixing with てもいい

👉 Opposite meaning

📚 Learn Faster

• Think about rules
• Practice daily
• Say out loud
• Repeat often

👉 Clear contrast helps

🎯 Practice

👉 たべる → ?
👉 のむ → ?

Make 3 prohibition sentences

🧪 Mini Quiz

① Change to てはいけない

② Meaning

③ Translate

📝 Answers

🚀 Next Step

👉 Day 58: 〜から (Because)