N2obligationexpectation
～ものだ (mono da) - Should / Ought to
[Verb dictionary form] + ものだ
Quick answer
[Verb dictionary form] + ものだ means "Should / Ought to / It's natural to". It is a N2 Japanese grammar point with examples and drills on this page.
Meaning
Should / Ought to / It's natural to
Explanation
Expresses general truth, moral obligation, or what is expected.
Examples
親を大切にするものだ。
おやをたいせつにするものだ。
One should cherish their parents.
約束は守るものです。
やくそくはまもるものです。
Promises should be kept.
Practice this grammar
[Verb dictionary form] + ものだ
Which sentence correctly uses "～ものだ (mono da) - Should / Ought to"?