This grammar can be used to describe, when something is continuing towards a certain tendency. ( keep on increasing or decreasing)
例 －
１．インターネットを使う人の数は増える一方です。
(intaanetto wo tsukau hito to kazu ha fueru ippou desu)
(The number of people who use internet is increasing)
2．もう１１月、これから寒くなる一方です。
(mou 11gatsu, korekara samukunaru ippou desu)
(it's November. it's getting cooler from now on )
3．日本の高齢者人口は増える一方です。
(nihon no koureisha jinkou wa fueru ippou desu)
(Japan's elderly population is increasing )
4．環境破壊は進む一方です。
(kankyou hakai wa susumu ippou desu)
(Environmental destruction is continuing )
5．お酒もタバコもやめなければ、あなたの病気は悪くなる一方です。
(osake mo tabako mo yamenakereba, anata no byouki wa warukunaru ippou desu)
(If you do not stop liquor and cigarette, your disease is getting worst )
