The past tense of scare the daylights out of is scared the daylights out of.
The third-person singular simple present indicative form of scare the daylights out of is scares the daylights out of.
The present participle of scare the daylights out of is scaring the daylights out of.
The past participle of scare the daylights out of is scared the daylights out of.