welcome to your application of past perfect tense english :
The past perfect, also called the plus perfect, is a verb tense used to talk about actions that were completed before point in the past.
We were shocked to discover that someone had graffitied “Tootles was here” on our front door. We were relieved that Tootles had used washable paint.

The past perfect tense is for talking about something that happened before something else. Imagine waking up one morning and stepping outside to grab the newspaper. On your way back in, you notice a mysterious message scrawled across your front door: Tootles was here. When you’re telling this story to your friends later, how would you describe this moment? You might say something like:

I turned back to the house and saw that someone named Tootles had defaced my front door!
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