Meaning of よくある事だが in Japanese

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Definition of よくある事だが

よくあることだが(yokuarukotodaga) 【よくある事だが ·良くある事だが】

(exp) as often is the case →Related words: 良くある
彼にはよくあることだがケアレスミスをする。
He made a careless mistake, as is often the case with him.

彼かれにはよくある事だが、また遅刻ちこくしたする。

As is often the case with him, he was late again.

よくある事だが、トムは授業じゅぎょうに遅刻ちこくしたする。

Tom was late for class, as is often the case.