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问题 第一条件句中if条件句的时态问题

...“从现”要理解为present tense所有现在时态，而不仅仅是the present simple tense一般现在时? 比如说 If you have finished, you may go home.

问题 70 percent less electricity 和 less 70 percent electricity 意思有何不同？

Some of the most efficient refrigerators consume 70 percent less electricity than traditional models. 请教老师：可以说成less 70 percent electricity ?70 percent less electricity 和  less 70 percent electricity 意思有何不同？

问题 句首的形容词短语 different from...做什么成分

... Carson’s story ends with an accusation instead of a moral. She warns of the environmental dangers facing society, and she teaches that people must take responsibility for saving their environment.这是2023全国卷2的语法填空题，空格处填形容词 different，请问：这个用于句...

问题 在句子中或词组中，名词出现什么情况下才可以单独使用？

...些是可数名词与you互为同位语吗？I returned from work to find the house empty.请问老师，不定式作什么状语？？ 

问题 no matter how...从句用 may be 与 will be 的疑问

No matter how difficult the task_____, we'll do our best to do it well.A.may be  B.will be正确答案是 may be，想请教下老师为什么不能用 will be?

问题 关于进行时表示将来自己的一些疑问

...must be going now. We ought to be starting work.I have to be dressing for the party. 以上三句 我的疑问2：表示即将直接 be going/starting/dressing不就行了吗？我的疑问3：像这样助动词和进行时连用没有加未来时间状语的是否有表示事先计划的意思呢...

问题 “动词+sb from doing sth”句式归纳

...m from doing that. 什么也阻止不了他做那件事。 He also stopped them from doing foolish things. 他还阻止他们做傻事。 The rain kept us from going out. 下雨使我们没法出去。 His poor eyesight prohibited him from becoming a pilot. 他因视力不好而不能当飞行...

问题 表示“事故发生”可以用 take place 吗

They are still trying to sort out why the accident ______. A. happened   B. took place 答案是 A。选 B 不行吗？老师说 happen 表示偶然发生，而 take place 表示“举行”。但我查词典 take place 也有发生的意思啊，而且词典就是用 happen...

问题 两个时态难题(盼权威专家分析)

1. —You can't smoke here.—Sorry, I _____ the sign.A.don't see     B.didn't see     C.haven't seen      D.won't see问题：B与C到底什么区别？2. I can't find my wallet anywhere. I am sure I ______ it.A.lost       &n...

问题 to be doing 是和谓语动词同时发生吗

The “teacher” on occasion would frown slightly, as if considering us to be neglecting our parental duties.参考译文：那位“老师”偶尔会微微皱眉，似乎觉得我俩没有尽到当父母的责任。 我们知道 considering 前面省略了she or he was，完整结构是 as i...

问题 spend as much time as he could后接动词用什么形式

He spent as much time as he could ______ the children.A. teach     B. to teach    C. teaching    D. taught请问答案如何选？谢谢！

问题 为什么现在分词完成体不能作定语或宾补

...定语和补语？是否根据语义用过去分词来代替？其次I saw the leaves _____ (fall)，分词当补语。若不能用完成体，那么如果用 falling 则表示看到叶子掉落的一瞬间与 saw 同时发生，如果是 (to) fall 那么就是看到叶子掉落的全过程。...

问题 关于曹老师回答的非终结性持续动词的问题

...达完成意义，需要添加边界性状语。那么比如he walked on the street如果根据一般体的事件意义，他走路这件事不是已经结束完成了吗？2.关于非终结持续动词的过去分词，您说只表被动不表完成，老师我的理解是非终结持续动词没...

问题 I says John Lackland's son这句如何理解

'Yes, I remember the Satchel family,' I says John Lackland's son. 'I'd like to hear that story.'  这句中的 I says John Lackland's son怎么理解，如果是said  John Lackland's son我倒是能理解。  是不是原书写错了？  原书的翻译是：“是啊，我记得撒切尔一家...

问题 was responsible for doing与was responsible to do的区别

老师说表示负责做某事，应说 be responsible for doing sth，而不说 be responsible to do sth。比如： Tom was responsible for cleaning the windows. 汤姆负责擦窗户。 请问除了表示“负责做某事”外，在其他情况下可以用 be responsible to do sth 吗？