The two often go together, said Poirot enigmatically. 
Poirot said the two go together frequently.
They rarely spend time together, Poirot said.
Workers are pouring concrete.
He won't do that so stay here.
The Alternative projects that increases in exposure to fine PM will result in many avoided premature death in 2010.
The person is alone and asleep in their bedroom.
Nobody is sitting.
You're aware that I don't.