つつある
(Tsutsu aru)
in the process of / gradually becoming.
Connection rules
- +V ます-stem + つつある.
- +Formal progressive — for gradual or ongoing change.
- +Common with change verbs: 変わる, 増える, 減る, 発展する, 進む.
Examples
1.
地球温暖化が進みつつある。

Chikyuu ondan ka ga susumi tsutsu aru.
Global warming is progressing.
「in the process of / gradually becoming」
2.
日本の人口は減りつつある。

Nippon no jinkou wa heri tsutsu aru.
Japan's population is gradually decreasing.
「in the process of / gradually becoming」
Practice
The country's economy is gradually recovering.
この国の景気は徐々に___。
Romaji also accepted