し続けた

kept doing, continued doing

→ 為る
し do + 続け to continue + た Past tense
verb · informal, past tense Rare #40,894
kept doing, continued doing Follows a verb in its ます-stem form, such as 心配し続けた (“kept worrying”).
JA: 彼は毎日練習し続けた。
EN: He kept practicing every day.
Conjugation of 為る

彼は繰り返し同じ話をし続けた。

He kept telling the same story over and over.

契約を結んだあと、わたしはそれから一年、心配し続けた。

After signing the contract, I continued to worry for a year.

物価は上昇し続けた。

Prices continued to rise.