N1 Grammar ①　をもって

JLPT N1 Japanese self-study　·　~15 min　·　をもって / をもとに — formal conclusion & creative basis

'As of today, we close.' 'This film was made based on a true story.' — をもって announces a formal end point; をもとに names the creative source material.

What you'll learn

• をもって: formal 'with this / as of' — announces a conclusion or decision
• をもとに: 'using ~ as material / based on' — source for creating something
• Fixed phrases: 本日をもって, これをもって, 今回をもって
• をもとに vs に基づいて: creative source vs following rules/evidence

How to study “N1 Grammar ①　をもって”

“N1 Grammar ①　をもって” (をもって / をもとに — formal conclusion & creative basis) is a JLPT N1 chapter of our free Japanese self-study course, about 15 min. You learn by doing — flashcard drills and fill-in-the-blank quizzes graded on the spot — completely free, with no sign-up and no ad wall. Once it clicks, read the matching in-depth explainer over in Grammar.