Word formation: Form verbs from the adjectives and use them in sentences of your own.

Verbs formed from adjectives using '-en':

• dark - darken: The room began to darken as the sun set.
• black - blacken: The smoke from the fire will blacken the walls.
• red - redden: His cheeks began to redden with embarrassment.
• short - shorten: They decided to shorten the meeting.
• wide - widen: The road will widen here to allow for more traffic.