つづける
(Tsuzukeru)
Indicates that an action is performed continuously or repeatedly.
Connection rules
- +Verb (masu-stem) + つづける
Examples
1.
彼は三時間もピアノを弾きつづけている。

Kare ha san jikan mo piano wo hajiki tsuzuke te iru.
He has been continuing to play the piano for three hours.
「Impressive practice session」
2.
雨が降りつづけたので、どこにも行けなかった。

Ame ga furi tsuzuke ta node, doko ni mo ike naka ta.
Because it kept raining, I couldn't go anywhere.
「Ruined weekend plans」
Practice
The book was interesting, so I kept reading it until morning.
本が面白かったので、朝まで___。
Romaji also accepted