Grammar
N2 verb-grammar

Keeps getting 〜一方だ

Meaning

"Keeps getting ~", "goes on ~ing" — a one-way trend.

Formation

Notes

The trend only moves one way and never reverses, and it is usually an unwelcome one. It needs a verb of change — 増える, 減る, 悪くなる — not a state.

Examples

Prices just keep going up.

Breakdown
prices rise keeps on

His illness only gets worse.

Breakdown
illness worsen keeps on

The young population keeps shrinking.

Breakdown
young people population decrease keeps on

Electricity bills just keep rising.

Breakdown
electricity bill become expensive keeps on

The environment goes on deteriorating.

Breakdown
environment deteriorate keeps on

⚠️ Often confused with

Half-done 〜かける

An action begun but not finished — "half-~", "start to ~ (and stop)".

Completely / cannot finish 〜きる

Carries an action right through — "do ~ completely". The negative きれない means "cannot f...

In the process of 〜つつある

"Is in the process of ~ing" — a gradual change still under way.