Grammar
N4 verb-grammar

Continue / change from now 〜ていく

Meaning

An action or state that continues, changes, or develops FROM NOW ON into the future — "will go on ~ing / will continue to ~". Also: do something and then go (away).

Formation

Notes

Directional: 〜てくる looks BACKWARD (up to now); 〜ていく looks FORWARD (from now). Used for gradual changes: 暑くなっていく ("it will keep getting hotter"). Also physical: 買っていく ("buy and go").

Examples

I intend to keep studying Japanese from now on.

Breakdown
from now also Japanese (object) continue studying intend to

It will probably keep getting colder from now on.

Breakdown
from now more cold (adverbial) continue becoming probably

Please take a pen (with you). (physical 〜ていく)

Breakdown
pen (object) take and go please

I want to go on living together forever.

Breakdown
forever together live (te) want to continue (polite)

He ran away.

Breakdown
he (topic) run (te) went

⚠️ Often confused with

Has become / do and come back 〜てくる

Three uses: (1) a change that has occurred UP TO NOW — "has come to ~"; (2) do something a...