Acts 7:31
and ... he <1161 846> [and as.]
Acts 12:9
went out <1831> [he went.]
he did not realize <1492 3756> [wist not.]
That is, he knew not; wist being the past tense of the obsolete verb to wis, from the Saxon wissan, in German {wissen,} and Dutch {wysen,} to think, imagine, know.
Acts 16:10
immediately <2112> [immediately.]