1. Heat oil in a large nonstick skillet over medium-high heat. Add squash and zucchini, and sauté 10 minutes. Add shrimp; sauté 3 minutes. Add juice and next 5 ingredients (juice through garlic); cook 2 minutes or until shrimp are done. Combine shrimp mixture, pasta, chives, and cheese in a large bowl; toss gently.