GEK1519(B) The Science of Wanting To

Three weeks ago:
"I will bring my keyboard next lecture to show you all how to connect..."

Two weeks ago:
"I wanted to bring my keyboard, but it's very heavy. I will bring it next lecture to show you all how to connect..."

Last week:
"I wanted to bring my keyboard, I'll bring it next week..."

Today:
"I wanted to bring my keyboard, I'll bring it this friday..."

Friend:
"He'll bring it next year."