Period Three Grammar基础落实Ⅰ.单句改错1.If I had a camera, I can take a photo. ____________________【出处:21教育名师】2.If they would have bought a group ticket, it would have been less expensive. ____________________3.If you can go to the concert, you’d have enjoyed it, I’m sure. ____________________www-2-1-cnjy-com4.If w