曹老师您好！我遇到一个如何判断终结与非终结动词的问题：A: I read a book yesterday.(终结延续动词？)B: Her hand knocked against the glass.(终结短暂动词？)A句对于read终结性的判断，应该从主语I由没有读那本书转变为读了那本书，还是应...
比如对现在的虚拟，为什么不直接说：If I am here, I will speak on my behalf。而是说： If I were here,
I would speak on my behalf.对过去的虚拟，为什么不直接说：If I walked faster, I ….而要说If I had waked
faster, I would have…
对将来的虚拟……
下面句子中的live to regret it是什么意思？总感觉其中的live to 是多余的：You’re wasting your time with him and you’ll live to regret it. 你是在同他浪费时间，你以后会后悔的。说成You’re wasting your time with him and you’ll regret it.不是更好...
下面的句子出自2014年高考英语的新课标I卷： The river was so polluted that it actually caught fire and burned. 我不太明白其中的so polluted that。按一般的理解，so…that…句式中的 so 应该是修饰形容词或副词吧，这里怎么是动词呢？是...
...况下，表示...之内，什么情况下，表示...之后呢?与句子的谓语动词是否持续或瞬间有关？与句子的谓语动词的时态有关？譬如下面这道题(TOEFL）:"When will Professor Mark hand back our exam papers ?""They will be returned ( )."A...
老师，在章振邦的《新编英语语法教程》中，作者写了一个句子：【For there to be so few people in the streets at this time of the day is unusual. 这个时候，街道上行人这么少，真是不正常。（there be 结构）】我想问，句首的For there 如何理解...
我在台湾东吴大学林天送编著的《21世纪英美文法》上看到这样一个句子：
A man without money and friends is not easy to succeed. 一个人若没有钱、没有朋友，是不容易成功的。
我觉得这个句子中的A man…is not easy to succeed有问题，...
我们不是应该用 devote oneself to doing sth 这样的句式吗？to 后面接动名词。如：He has devoted his life to helping blind people. 他为帮助盲人而献出一生。He devoted his life to promoting world peace. 他一生致力于促进世界和平。但奇怪的是，下面这...
Priya’s affair is neither a symptom nor a pathology; it’s a crisis of identity, an internalrearrangement of her personality. In our sessions, we talk about duty and desire, about age and youth. Her daughters are becoming teenagers and enjoying a freedom she never knew. Priya is at once supportiv...
...tructure is more likely to be strong... valid... true.请问老师，这里的on which 是否多余？或者 不定式应该改为一个完整的句子。我见得句子不多，通常的句子中（例如下句）， prep +which后面 一般加一个完整的句子，为什么这里是不定式结...