问题 It was my first time后接动词(to do还是doing)

It was my first time spending Spring Festival in China with my host family. 这是高中英语新教材北师大版必修1第3单元中的一个句子(p52)。 为什么这里在 it was my first time 后面接 doing 呢? 这样也可以吗？不是该接不定式 to do 吗?

问题 与in recent years搭配的复合句的时态问题

...nds of sophisticated technologies has developed more advanced requirements for temperature measurement, research work of science communities and engineering communities on thermoelectric properties has been very active.近年来，随着现代科学技术的发展和各种尖端技对测温的要求...

问题 that引导的定语从句中，谓语动词可以使用does等的替代词吗

It's an incredible piece of technology especially for its day.And it's the reason that I think the legacy of Titanic still exists in the strength that it does.这是一项令人难以置信的技术，特别是在那个时代。这就是为什么我认为泰坦尼克号的遗产仍然存在...

问题 翻译He threatened to pay me back but he has not done

请教老师：He threatened to pay me back but he has not done so yet.1. 此句是否可以翻译为：他曾预示要报复我，但仍没有做。2. pay back 的翻译是“退还”还是“报仇”？盼复，感谢！

问题 状语从句的逻辑主语与主句的主语之间的问题

...patience as acting like“Children who pick the plums out of their pudding to eat them at once”rather than putting them aside to be eaten last.        to eat them at once的逻辑主语明显是Children，可是后面的to be eaten last的逻辑主语却是plums，这里...

问题 动词vary后面通常可接哪些介词

动词 vary 后面好像通常都接介词from…to…。比如：Test scores vary from school to school. 测验成绩各校不同。Prices vary widely from shop to shop.  商店之间的价格相差很大。Medical treatment varies greatly from state to state.  医疗制度各州大不同...

问题 No matter what he may appear to be like,

为什么like前面要加动词be?

问题 关于 后置定语 不定式和分词 问题

You want to be sure they all receive enough emphasis to be clear and convincing.请问老师，为什么这里有个 to be ？为什么有？它什么成分，作定语吗？我认为是定语，因为有and convincing，说明 to be clear 和convincing 是一个成分，即都是定语。哪作定...

话题 Sam told his friends everything there was to tell about...

问题 非谓语动词做定语

非谓语动词having (been) done/to have (been) done/doing/being done/done/to do/to be done/to be doing都可以做定语吗？

文章 tear in eye 的总结、规范英文的疑惑以及英文教学的二文之见

...不同的句子，都不会困惑：I got tear in eye seeing donation from students. Join us later with lump in throat and tear in eye.上面两句，学生绝对不会误解为“独眼泪流”之类The Argentinian wizard in his late 30s, waving goodbye to the Cules, a tear in eye - a trophy i...

问题 She has been kind to you究竟表示什么意思(已完成用法还是未完成用法)

She has been kind to you.究竟是什么意思？是表示“完成用法”——她（在此刻（说话时）以前）一直对对我很好，但现在（说话时刻以后）对我不好了？还是个表示“未完成用法”——她一直对我很好，过去是、现在是、将来还是...

问题 The captain of the Elkor ordered his men to salvag

...好。新概念3-32里一句话：The captain of the Elkor ordered his men to salvage as much as possible from the wreck.请问这句话里as much as possible 是程度副词做状语吧？如果这样，那么及物动词salvage 的宾语是什么呢？难不成as much as possible 做宾语？请...

问题 请教：a surface of which one end or side is at a higher level than another

...典：a period of time of which particular events or stages of development are typical。同样姑且认为是particular之前应加the的结构，虚心向老师请教。

问题 had, have had, had had 的区别

By 31 January, 191 adults had been treated for the virus and either discharged or died at the two hospitals. The average age of these individuals was 56, and 62 per cent were men. Around half of those treated had underlying medical conditions, most commonly diabetes and high blood pressure.这...