来ればよかったのに

you should have come

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phrase Rare #25,220
you should have come Expresses regret or reproach that someone did not come. The ending のに adds a sense of disappointment, like “if only.”
JA: 昨日の集まりに来ればよかったのに。
EN: You should have come to the gathering yesterday.

パーティー来ればよかったのに。

You should have come to the party.

きのう来ればよかったのに。

You should have come yesterday.

昨日来ればよかったのに

You should have come yesterday.

— 甘い生活 (1960)

あなたも一緒に来ればよかったのに。

You should have come with us.