Plain vs polite style

Core meaning and form

Plain predicates use forms such as 行く, 行かない, 静かだ; polite predicates use 行きます, 行きません, 静かです. Consistency matters at sentence endings, but Japanese discourse can shift style purposefully.

• Form: Plain predicates use forms such as 行く, 行かない, 静かだ; polite predicates use 行きます, 行きません, 静かです.
• Core use: Style reflects the relationship and setting, while embedded clauses often use plain forms even inside polite sentences.
• Context: Consistency matters at sentence endings, but Japanese discourse can shift style purposefully.

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

• Plain predicates use forms such as 行く, 行かない, 静かだ; polite predicates use 行きます, 行きません, 静かです.
• Style reflects the relationship and setting, while embedded clauses often use plain forms even inside polite sentences.
• Consistency matters at sentence endings, but Japanese discourse can shift style purposefully.