しか and だけ

Core meaning and form

Attach だけ to the included amount; attach しか and use a negative predicate. Case particles combine differently: だけ can precede or follow some particles, while しか often replaces は, が, and を.

• Form: Attach だけ to the included amount; attach しか and use a negative predicate.
• Core use: Both can translate as “only,” but しか…ない emphasizes insufficiency or restriction more strongly.
• Context: Case particles combine differently: だけ can precede or follow some particles, while しか often replaces は, が, and を.

Examples in context

Common errors

• Do not select this pattern from an English translation alone; check its attachment and discourse function.
• Keep the surrounding sentence in a consistent plain, polite, spoken, or written register.

Quick summary

• Attach だけ to the included amount; attach しか and use a negative predicate.
• Both can translate as “only,” but しか…ない emphasizes insufficiency or restriction more strongly.
• Case particles combine differently: だけ can precede or follow some particles, while しか often replaces は, が, and を.