Maria ____ been ____ Spanish for three years. The Smiths have been ____ their house since January. John has been ____ the guitar every day. My children ____ been ____ outside for hours. TechCorp has been ____ its operations into new markets. We ____ been ____ our vacation for months. Rover has been ____ non-stop since the mailman arrived. I have been ____ on this project all week. You have been ____ regularly to stay healthy. The weather ____ been ____ rapidly this season.

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