Form compound nouns using the words in the list and then use them to complete the sentences. The list includes: white, paper, play, clip, board, light, key, day.

Solution:

Compound nouns formed from the list:

• whiteboard
• paperclip
• playback
• daylight
• keyboard
• dayboard (less common, but possible)
• lightboard (less common, but possible)
• paper key (less common, but possible)

Using these to complete sentences (assuming standard compound nouns are intended):

This part of the exercise is incomplete as sentences are not provided. However, here are examples of how these compound nouns are typically used:

• The teacher wrote the lesson on the whiteboard.
• Please give me a paperclip to hold these papers together.
• The playback of the video was smooth.
• We can work outside in the daylight.
• I need to buy a new keyboard for my computer.

Answer: Compound nouns: whiteboard, paperclip, playback, daylight, keyboard. Sentences require specific prompts to be completed.