我经常碰到介词 for 后接名词或代词构成介词短语,老是弄不清这样的介词短语在句子中该做什么成份?请专家老师给我指点一下,非常感谢!
许多书在谈到 below 与 under 的区别时,总是涉及在不在正下方,说什么在正下方又如何如何,不在正下方又如何如何,我一直记不清。请老师帮忙一下,怎么才能快速记住呢?谢谢!
A mid-table position is not the return on their investment their generous owners would have been expecting.would have been expecting 的时态表示什么意义?