This 10th collection of students’ pearls of wisdom, laboriously digitised from hand-
Set A Set B black blacken wide widen white whiten deep deepen
‘en’ is added to a word in set A to become those in set B.
The words in list B are formed by adding an ‘en’ from list A. The words in list A are transformed from Adj to verb which is in list B.
black → blacken: a switch in simple tense to past participle.
A word becomes black in colour when blacken is added to it.
A river may be widen because of soil erosion.
The word formation rule in white → whiten is called blocking. White is an adjective and whiten is an adverb.
The words in set A are used to describe a condition in the sentences. The resulting verb in set B tends to describe the action of a new state of the object.
The singer deepen his voice to sound sexier.
More to come...