ものだ
(Mono da)
Expresses a general truth, common sense, or a strong emotional desire/nostalgia.
Connection rules
- +Verb (Dictionary/Ta/Tai form) + ものだ
- +Adjective + ものだ
Examples
1.
昔はよくこの川で泳いだものだ。

Mukashi ha yoku kono kawa de oyoi da mono da.
I used to swim in this river often in the old days.
「Recalling childhood memories」
2.
一度でいいから世界一周旅行をしてみたいものだ。

Ichi do de ii kara sekai isshuu ryokou wo shi te mi tai mono da.
I strongly wish to try traveling around the world just once.
「Dreaming about the future」
Practice
In my student days, I used to talk with my friends until late at night.
学生時代は、よく友達と夜遅くまで___。
Romaji also accepted