3週6日目 上がる一方だ
Development・time・result
接続：V-stem＋つつある
is gradually in the process of change
注意 / Note：一方だ／ばかりだ says the trend continues; つつある describes an ongoing process of change and favors writing.
比較 / Compare：Same article: 〜一方だ／〜ばかりだ. These models are often mistakenly chosen for each other — carefully read the 接続 and nuances above and then decide.
よく出る形 / Common form：動ます形＋つつある。Writing. Click on the PROCESS in progress, other than 〜ている is to click on the status.
景気は回復しつつある。
The economy is gradually recovering.
古い文化が失われつつある。
The old culture is gradually disappearing.
この地域の産業構造は大きく変わりつつある。
The industry structure of this region is changing dramatically.