- Idiom -
The proper way to say something in English is often a matter of custom. Accepted usage dictates that it be said a certain way. This is idiom. For example:
Terrill Willson intends on doing his exercises while on the towboat.
This is not idiomatic. The usual, and therefore proper, version is:
Terrill Willson intends to do his exercises while on the towboat. [idiomatic]
Several more examples follow:
The barges are modeled after early flat-bottomed boats.
The barges are modeled on early flat-bottomed boats.
The channel is not only 9 feet deep but 300 feet wide.
The channel is not only 9 feet deep but also 300 feet wide. [idiomatic]
The tow was so long it hit a sand bar on a bend in the river.
The tow was so long that it hit a sand bar on a bend in the river. [idiomatic]
The result from constructing wing-dams was a narrower channel.
The result of constructing wing-dams was a narrower channel. [idiomatic]
Captain McGrew was disappointed at his maneuver under the Vicksburg bridge.
Captain McGrew was disappointed with his maneuver under the Vicksburg bridge. [idiomatic]
Note: Consult a good dictionary if you are unsure whether a phrase is idiomatic. (To find it, look up the most significant word in the phrase -- it is usually a verb.)