Some examples and use cases from the internet:

Some examples and use cases from the internet:

• I hadn't noticed that.
• Miss Gray, I hadn't noticed the lacerations on your hands before.
• I hadn't noticed those eyes before without those goggles
• No, I hadn't noticed.
• I'm sorry, I hadn't noticed.
• Really? I hadn't noticed.
• Don't think I hadn't noticed those little hints you left around.
• "Of course," he says, "I hadn't noticed.

• I didn't notice a shotgun in your list of weapons.
• I didn't notice any rubbish on the landing.
• I didn't notice it from the other angle, but I'd take a look at her medical records.
• I didn't notice any of that.
• I didn't notice, because I was watching his shadow.
• The refrigerator's leaking, I didn't notice.
• I didn't notice, sir.
• I didn't notice any cuts or anything like that.