In the more remote past, 450 million years ago, the Choukoutien area was part of a sea as the presence there of Ordovician limestone proves.]

By this time of winter the edge of the ice is rafted up in confused floes, and often reveals slots and fissures quite large enough to hold a young husky prisoner.

The twins were now playing in the most approved brotherly fashion till at last Master Jacky who was really as bold as brass there was no getting behind that deliberately kicked the ball as hard as ever he could down towards the seaweedy rocks.

If we delve further into the cooccurrence criterion, we see that adverb classes are not only occurrentially compatible or incompatible. The upshot is that BHAs are occurrentially different from MHAs.