在什么情况下定语从句中不能用that答:先行词表示物时,关系代词只能用that而不用which的情况如下:1) 不定代词(all, much, something, everything, anything, nothing, none, the one)作先行词时;e.g. There is nothing that can be done by us.2) 先行词被only, any, few, little, no, all, one of, just, very, much...
the one在定语从句中的用法答:the ones 代指前文提到的复数的食物,也是特指的 只能用that作为定语从句的关系代词的情况 a) 在there be 句型中,只用that,不用which.b) 在不定代词,如:anything,nothing,the one,all,much,few,any,little等作先行词时,只用that,不用which.c) 先行词有the only,the very修饰时,只用that.d...