Usage of plain i-adjectives or た form (悪かったｖ悪い、良かったｖいい etc）?

Question

Example:

> 美人じゃなくて悪かったですね！ (sarcastic)

compared to someone who is using a room and is told `あんまり広い部屋じゃなくて悪いな`

Or for example the difference between 無事でよかった and I can't think of the corresponding for just いい, but I'm sure you understand my question.

David R. · Accepted Answer

悪い・悪かった can be used as a way of saying "sorry" in an informal context, kind of like "my bad."

美人じゃなくて悪かったですね！ - Sorry I'm not a beauty.

あんまり広い部屋じゃなくて悪いな - Sorry that the room isn't very large.

よかった is used as "I'm glad" sometimes.

無事でよかった - I'm glad you're safe.

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