...典》p.590) 2. 如果表示对过去情况的推测,must 后接 “have + 过去分词”。如:You must have seen him yesterday . 你昨天一定看见他了。(《薄冰英语惯用法词典》p.590)It must have been the coffee that kept me awake. 一定是喝了咖啡,使我睡不...
...bsp;Rutherford and his colleagues looked for other targets for their marksmanship. 我的疑惑是,encourage这个动作发生在look 的前面,是先被鼓舞,然后才寻找东西啊,为什么不是用 Having been couraged 呢?再比...
"You let us in or we'll break down this door!" He wondered if they were actually getting a ram of some sort to batter at the door. He was reasonably certain it would hold.He was reasonably certain it would hold. 是 be certain that 的结构吗?that 怎么可以省略呢?
Let us suppose that you are preparing a meal and keeping an eye on the baby at the same time.The telephone rings and this marks the prelude to an unforeseen series of catastrophes.While you are on the phone, the baby pulls the table-cloth off the table smashing half your best crockery and cutting hi...
...xander Fleming did not, as legend would haveit, look at the mold on a piece of cheese and get the idea for penicillin there and then.上句可改写为:Sir Alexan...
Then the person leaves it in a public place, hoping that the book will have an adventure, traveling far and wide with each new reader who finds it.请问老师:现在分词短语 hoping that the book will have an adventure 和 traveling far
and wide with each new reader who finds it 做什么成...
...ity that he should refuse to accept the offer.2)It's a pity that he should have refused to accept the offer.should+do/havedone 表示已经发生的事情。我的困惑是:以上3位老师(章振邦,Donna, Mikee)讲述的should +动词原形所表示的时间为什么不同,不一致呢...