Examples:

• After hearing the bad news, she turned white as a sheet.
• He looked white as a sheet when he saw the ghostly figure.
• When the rollercoaster dropped, his face was white as a sheet.
• She went white as a sheet when she realized her mistake.
• The child turned white as a sheet upon seeing the spider.
• He was white as a sheet after the near-miss on the highway.
• Watching the horror movie made her white as a sheet.
• The doctor’s diagnosis left him white as a sheet.
• She went white as a sheet when she saw her ex at the party.
• Hearing the police sirens, he turned white as a sheet.
• His face was white as a sheet after almost falling down the stairs.
• When they mentioned layoffs, he went white as a sheet.
• The witness was white as a sheet after recalling the incident.
• She turned white as a sheet when the power suddenly went out.
• The haunted house made everyone white as a sheet.
• He was white as a sheet when he realized he forgot his wallet.
• The unexpected thunder made her white as a sheet.
• He was white as a sheet after losing his job.
• Seeing the amount on the bill made her white as a sheet.
• The eerie silence in the forest left him white as a sheet.