be so

be so

To be able or permitted to do something. This construction is mainly used for emphasis in short sentences that typically end with "so" or follow "so" with a verb. A: "You aren't allowed to have sweets this early in the day." B: "I am so! Mom said I could, just this once." A: "You guys aren't allowed to be here this late!" B: "We are so allowed! Let us in!"
References in classic literature ?
"Consequently, I am the more surprised that YOU should be so cheerful.
It must be so. Would not twenty years of continual bondage crush him utterly?
I used to be so confident about being myself that I didn't even care to put on a 'kilay on fleek.' I had always believed that I was pretty.
That is to say, until I be so fastened to him that there is nothing that is made between my God and me.
At the time--it was 20 years ago--people said, 'Oh, my God, Gary, you'd be so good in that part.
I don't believe the issue can be so easily relegated to a psychological need to depend on a good God.
`No,' he said, `Cranky.' Oh, that we could all be so aware of our inner state and know where to turn for help and change!