Bring 3 quarts water to a boil in a Dutch oven. Add pasta; cook 8 minutes. Add shrimp to pan; cook 3 minutes or until shrimp are done and pasta is al dente. Drain. Place pasta mixture in a large bowl. Stir in basil and next 4 ingredients (through salt). Place 1/2 cup spinach on each of 4 plates; top each serving with 1 1/2 cups pasta mixture.