改错can you help me find for what time the train leave?是把 for 去掉 还是在 time 后加 does

问题描述:

改错can you help me find for what time the train leave?是把 for 去掉 还是在 time 后加 does
为什么 what time 后面不加 does呢?

原句有两处错误:
1)find for要改为find out(找出、查明)
2)leave要改为单数第三人称形式leaves
不要添加does,因为这是由特殊疑问句What time does the train leave?转来的宾语从句(find out的宾语),除疑问词what time不动以外,后面要恢复为陈述句语序,动词自然要有形式变化.