ask 加宾语从句就是简单的补充说问的原因
比如 I asked why he was here. 我问他到底为什么在这里.
因为asked 是过去时态,所以从句也要变为过去时态
例如
I asked how long he had worked for his research.
我问他到底做研究多久了.
因为主句是过去时,从句要用过去完成时
希望可以帮到你,不懂再补充或者追问吧
ask 加宾语从句就是简单的补充说问的原因
比如 I asked why he was here. 我问他到底为什么在这里.
因为asked 是过去时态,所以从句也要变为过去时态
例如
I asked how long he had worked for his research.
我问他到底做研究多久了.
因为主句是过去时,从句要用过去完成时
希望可以帮到你,不懂再补充或者追问吧