N4

Plain Form Review for Reading

Review short-form verbs, adjectives, and copula patterns so learners can read casual narration, quotations, and noun-modifying clauses with confidence.

Identify plain present, past, and negative forms across verbs, い-adjectives, な-adjectives, and nouns.Recognize plain forms when they appear inside quotations and relative clauses.Convert between polite and plain styles when reading or reviewing example sentences.

Guided study

Why plain form matters in reading

Polite endings like です and ます are common in beginner lessons, but real reading quickly introduces plain form. Diaries, dialogue, quoted thoughts, and noun-modifying clauses all use short forms. If you can spot plain forms, sentences stop feeling abrupt and start feeling structured.

田中さんは今日は行かない。

Tanaka is not going today.

Casual/plain negative present.

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この本は面白い。

This book is interesting.

い-adjectives do not need です in plain form.

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