a metallic surface = a surface like that of metal显然,这里的that=the surface, 对吗?可是为什么不能用one代替a surface,即a surface like one of metal 呢?或者我的疑问是为什么这里要用that=the surface特指呢?
语法书上说,feel, hear, have, make, let, see, watch, notice等动词接不定式作宾补是不带to的,但我在柯林斯词典上看到这样一句:Williams felt himself to be senior to all of them. 请问,句中为什么用 to be 呢?
Darwin argued that as a coral reef grew up from a sinking island, it would become a fringing reef, then a barrier reef, and finally, with the disappearance of the island, an atoll.an atoll好奇怪,是同位语吗?
one thing they experimented with was the lights they experimented with是定语从句修饰one thing吧,但是这里的 one thing(that) 这里的that是充当介词with的宾语成分吗?转换过来 they experimented with one thing, 介...
大家都说could, might, would, should 为 can, may, will,
shall 的过去式,但在很多时候并不表过去,而是“更加委婉”,如you can't / couldn't
criticize him. 你不该批评他。can/could i help you? 有什么能帮你的。请问我想表达“过去你不该批评他”...