请问可以用travel around the world 如果可以,请问和travel round the world有什么区别?原句是If we win a lot of money,we'll travelled round the w

请问可以用travel around the world 如果可以,请问和travel round the world有什么区别?原句是If we win a lot of money,we'll travelled round the world and we'll stay at the best hotels.
写错了，是If we win a lot of money,we'll travel round the world and we'll stay at the best hotels.我每次都写成travelled，背错好多次了。