I too had an ulterior motive: this was it, my chance to be alone with her.
"Maybe I do have a bit of an ulterior motive."
How could she have failed to see the ulterior motive?
But you'll have to take my word for it that I had no ulterior motive.
You needed to wonder what the ulterior motive was, what's in it for them.
Of course, there may be an ulterior motive at work, too.
Why couldn't she have been a man with some ulterior motive?
I hope there are no ulterior motives on either ones part!
I'm trying to think of what ulterior motives they might have to this.
"And we never do anything without at least one ulterior motive."
If she had some hidden motive, I would've sensed it.
He also kept his eyes fixed on the other's face, once more watching for any signs of hidden motives.
His eyes were on her face, searching for hidden motives.
He began to think that everybody in the room was watching with some hidden motive.
Meredith was surprised he always had to look for a hidden motive.
- and I hope your kindness has no hidden motive.
Hence, I did not take these laments at their face value and looked for some hidden motive behind them.
And there was another hidden motive surfacing in this instant of truth.
The Shadow saw some hidden motive behind that practice.
Corrigan had no hidden motives that he was aware of.