I forget how old was I at that time和I forget how old I was at that time哪句错了

问题描述:

I forget how old was I at that time和I forget how old I was at that time哪句错了
如果都对,那两句有什么区别?

第一种用法不对
这是一个宾语从句,how old引导的一串都是forget的宾语,忘记了我那时年龄多大
但是宾语从句里,句子是陈述语序,不能倒装,所以必须是forget how old I was