1. I can see the water's motion by watching how a swell the river became because of the water.
2. When the tide comes in on the beach, it could submerge the whole island by how large the high tide is.
3. There was a porthole in our room on the boat, so we covered it with a plank of wood.
4. One reason to be on the deck of a boat is that it forms the main outside of the boat.
The following of these sentences continue, in order for the readers to understand what the word truly means.
