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分析2个句子的语法1.I like to visit a place whose history is long.这个句

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分析2个句子的语法
1.I like to visit a place whose history is long.
这个句子是什么从句,whose在里面是做什么
2.We didn't know what had happened in the shop
为什么what后用had happened
分析2个句子的语法1.I like to visit a place whose history is long.这个句
第一个是定语从句,拆成两个句子你就明白了:
I like to visit a place.和 The place's history is long.
所以whose代替了the place's
第二个句子中,因为主句用了过去式didn't know,所以宾语从句的时态相应往过去移一个时态,过去的过去,所以从过去式变成了过去完成时.
We don't know what happened in the shop.
---We didn't know what had happened in the shop.