当“介词+ which”在定语从句中作时间、地点和原因状语时，可以用相应的关系副词when, where和why来替换。1. when根据情况可以等于in which, at which, on which等。如：The day when (=on which) she arrived was Thursday. 她到的那天是星期四。2. where根据情况可以等于in which, at which, ...
1. She showed him the hospital. 2. She was born at that hospital. 这里重复出现的事物为hospital, at that hospital变成at which She showed him the hospitalat whichshe was born. !!注意!!大多情况 in which=at which=where, 但是...
第一个是常见的强调句型，用how表示强调不需要改成which.第二个my class做宾语没问题的 你不要认定一个单词后面一定是接什么，英语是一门语言是很灵活的不要学僵化了
这个结构通常用在介词"at"后面,再跟一个关系代词"which",用来指代某个特定的地点或时间。 以下是几个使用"at which"的例句: 1. I will meet you at the train station, at which we can have a chat.我会在火车站和你见面,在那里我们可以聊聊天。 2. The restaurant at which we haddinner last night...
at which中的which是关系代词，指代前面的先行词(即定语从句所修饰的词)rate, 它在定语从句中 作介词at的宾语。这里的 at which = which ... at。关系代词在定语从句中作介词宾语时，介词可以提前，即将介词置于关系代词之前, 不过关系代词who, that 除外。例如：1. That is the house which / ...
记住这个:第一、代指地点的时候 in/at whitch=where 例句1中the house是先行词,in which 代指 in the house 也就是说例句2中where=in the house 小地点用at ,大地点用in 指物要用which,先行词the house是物,故用which代指房子,This is the house in which I lived two years ago.变回原句是 I ...
可以等于when
那句话是定语从句，在定语从句中which 要和先行词（就是which 指代的那个词）紧挨着，所以呢at which前面就是它所指的那个词rate。
小地点用at ,大地点用in指物要用which,先行词the house是物,故用which代指房子,This is the house in which I lived two years ago.变回原句是 I lived in the house two years ago.句子由于live in(居住在)有介词in,所以变成定语从句时候用which的话 在which前要加in ,或者直接用where 第二、代指时...