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问题 辞书质疑(23)：《剑桥美国英语词典》一处不定式用法的质疑

She is said to earn $100,000. 据说她挣了 10 万美金。上面一句摘自《剑桥美国英语词典（英汉双解版）》say词条。请问为什么不定式 to earn 用一般式，而不用完成式 to have earned？是不是弄错了啊！

问题 倒装句的疑惑

...uch.这个句子能否转化成There be句型，如果能转化，转化后的句子是什么？A girl is lying here(there).如果把它变成倒装句就是Lying here(there) is a girl?这两组句子:She is lying on the couch.和She is lying here(there).前面那个句子通常没有倒装的形式...

问题 but only的用法

He had managed to loosen it，but only with a pair of pliers (钳子).but是连词但是的意思吗？only是什么词性? 在这什么意思? 什么作用啊？only是强调的意思吗？谢谢老师!

问题 be along的用法

The American medical school is now well along in the second century of its history.be along 是正处在...的意思吗？along在这是介词吗？in the second century of its history意思是在他的历史的第二个世纪里？

问题 现在完成时和一般现在时在本句中，究竟是什么区别？

...ion,but as the new school year is set to begin,the questions now are  when is it safe for kids to go back to school为什么不是This school break IS unique for this generation, 为什么说话者用了has been 呢？ 二者究竟有何区别？

问题 表示弹奏乐器时定冠词the可有可无吗

《剑桥高阶英汉双解词典》bass 词条的一个例句：He plays (the) bass guitar. 他弹低音吉他。弹奏乐器，在乐器前应加定冠词 the，可是此句为什么是可加可不加？请专家指教，谢谢！

问题 两个并列介词带一个宾语的用法归纳

以下句子中的to and from属于两个介词用and并列，后面只带了一个宾语： Local buses run regularly to and from the nearest town.  当地有往返最近城镇的班车。 I rely on the train to take me to and from work each day.  我每天靠火车上下班。 E...

问题 make sure to do sth与make sure of doing sth的区别

前面有网友提问了关于 make sure 后接从句时的时态问题，我这里也有一个相关问题：make sure to do sth 与 make sure of doing sth 的区别是什么？

问题 silver还是silvery

Papa seemed shorter, and Mama’s hair was silver now.这是高中英语新教材译林版必修1第2单元的句子(p26)。请问这里为什么用名词 silver，而不用 silvery？

问题 occur 的用法判断

各位老师好，请问这个句子中动词occur符合语法规则吗，base on 后面接的是句子吗？A biotechnology company is developing a range of new pesticide based on naturally occur toxin.

问题 trouble前为什么不加冠词the

Right from the start there was trouble with the Hubble. 是不是因为trouble是不可数名词，所以这里用单数谓语was? 是不是因为trouble是不可数名词，所以这里不可用冠词a, 也不能用复数troubles?但trouble前为什么不加冠词the？

问题 join 和 join in 用于参加活动时的区别

用 joined, joined in 填空：Soon some of the teachers ______ the singing.Some of us decided to _____ the strike.Everyone there ______ the conversation. 除写出答案，也请老师分析一下原因。 

问题 seem后不定式的一般式与完成式

You seem to ______ too hard all day.答案给的是work。我觉得填 to have worked。从时间状语all day 来看说话时的这一天还没有结束吧？用不定式完成态没错啊？难道要理解为一般活动、经常活动用不定式一般式，那也不对啊，不定式表示将...

问题 being done 动名词做主语

Being tired, he gave up exercising this morning.这里现在分词的被动式用得不妥，改为：Tired, he gave up exercising this morning.但是being tired 作为动名词的被动式做主语，又是允许的，比如：Being tired makes me feel uncomfortable.虽然动名词不允许省略be...

问题 关于This washing machine has had the back and top panels taken off的表达

...off.变成了现在完成时，taken off是修饰the back and top panels的定语。翻译成这台洗衣机有被拿下来的背板和顶板。感觉跟要表达的意思不一致。表达洗衣机的背板顶板已经拆下来了，写成This washing machine's back and top panels have been taken o...