should quit, ought to quit
辞めるべきだよ。
You should quit.
仕事を辞めるべき時間だ。
It's time to quit my job.
トムは仕事を辞めるべきじゃなかったんだ。
Tom shouldn’t have quit his job.
僕は仕事辞めるべきだと思う？
Do you think I should quit my job?