Oh, well, I suppose there must be something in it, then. 
Uhm, I think there must be something in it.
There's nothing in it. It is empty, isn't it?
He was a caveman.
He thinks it'll be beneficial in the long run.
The thrush was so encased in his gloom that he couldn't bare to make a sound.
You needed a big pan.
Even 30 years after he died, the theaters were still standing.
He paused as though to say something but remained silent.