visit 作名词讲时前面常有the、a、或者物主代词等修饰
作动词讲时作谓语要有时态变化,非谓语时加ing,或者to dovisit 后面常加地点，没见过加to do 和doing我说的是visit+ing或者是to visitI visited Beijing last year.(时态变化)I spent two hours visiting Beijing yesterday.(非谓语时加ing) It took me half a day to visit Beijing yesterday.(to do) 我不是说visit+doing 和visit+to do， 明白了吗？