... that I shall not forget him. To
forget a friend is sad. Not every one has had a friend. 这里not
every one has had a good friend为什么用现在完成时？我认为一般现在时就可以，因为他是讲一个客观现实。
...heir school and talk to her class about my trip, I agreed, and before long had
been scheduled to talk to every class in the school.为什么before long 后边的had been scheduled要用过去完成时呢？schedule这个动作晚于前边的agreed 呀，不应该也用一般过去时吗？
I had said all I had to say on the subject that had brought me to Paris, and though I felt it in a manner treacherous to Mrs. Strickland not to pursue it, I could not struggle against his indifference. It requires the feminine temperament to repeat the same thing three times with unabated zest. I so...
A woman in her early twenties had been brought in after a road traffic accident. She had suffered multiple injuries, and had been rushed up to theatre. I had spent some time in between assisting in theatre talking to the family as they waited for news. 怎么理解I had spent some time in between a...
Einstein had the idea of relativity when he was 16, although he didn't
publish it until 1905, after he had studied physics in college.来源:外研社教师参考用书上一篇范文的一句话。背景信息:爱因斯坦16岁还未上大学，1900年本科毕业，1905博士毕业问题:1.after...
In the second place, to the taxes levied by the provincial or governments must be added those imposed by military leaders, which in the province are officially estimated at more than ten millions.请问老师们，文中红字部分是不是must be added 提前的倒装句？
...烧伤。译文：There are three types of burns. Burns are called
first , second or third degree burns ,depending on which layers of the skin are
burned.问：该句中明明是“和”的意思，也不是否定句，为什么用了“or”而没有用“and”来表示“和”的意思？
...的一道汉翻英例句：
当我到家后，天下雨了。
After I had arrived home, it rained.
我认为 it rained 应该为 it began to rain. 请教老师，老师说没必要。但我还是觉得应该用It began to rain. 请教专家，我的想法对否。另外请教专家，aft...
...缩写，受益匪浅。另外请问'd是should 还是would 亦或是had的缩写？或是有不缩写的现象（如同was)？另外，下面这句话中的'd是否would或should都可以？ If a camper was attacked by a bear or something, we'd hear about it.谢谢！