The thing turned to bad when too many people come to the same store.这里为什在to bad的位置可以有/out bad /to bad /badly /bad /可选，
问题描述：
The thing turned to bad when too many people come to the same store.这里为什
在to bad的位置可以有/out bad /to bad /badly /bad /可选，
答
turn out bad指结果怎样或事情发展怎样.turn out 可加adj.例如：If the day turns out wet ,we may have to change our plans.
turn to bad 这里to表示改变,指事情变得糟糕了
turn badly 这时turn就是个普通v,后面当然可以加adv.
turn bad turn解释为“变得”、"变成"是系动词,可加adj.