Some scientists say the world needn’t be afraid of a possible shortage of coal, oil, natural gas or other sources of fuel for the future. They say that if these were used up, there would be enough of these type of energy to last forever. 老师好，请问加粗部分为什么用不定...
关于not…until的时态用法:
1.请问是We can't move into the new house until next week.
还是说We won't move into the new house until next week.
关于not…until用法:
请问until在后接句子或时间短语时词性有无变化？
管理员辛苦，老师辛苦了!谢谢~
1.the work is easy to do.这个句子中，to do 可否改为to be done?2.The money wasn't yours to spend.这句话是什么意思，能否分析一下结构？3.剑桥英语语法提到，句子谓语含be时，有时可采用反射不定式结构，并提供了一个例句。能否就这一点...
It pays to clarify the rewards at stake this semester—whether those rewards are internal, such as the feeling of accomplishment that comes from understanding a difficult concept well, or external, such as getting a good grade.
It does for us what few of us have the technique －even if we had time －to do for ourselves.
老师好。这句话从语法上该怎么理解呢？it 是 what few of us have the technique to do ？
He never expected the bicycle to be found.我是这样分析：这个句型为：主谓宾宾补。expect 是复合宾语及物动词，to be found 是宾语补足语。to be found 是不定式作定语，不定式与 the bicycle 是逻辑主谓关系（被动）。自己分析的，不太确定所...
more than 100,000 inhabitants distributed over 112 historic settlements scattered over the site.请问distributed over 112 historic settlements是做谓语和宾语成分呢，还是做inhabitants的后置定语？ scattered over the site是做settlements的后置定语吗？
老师们好，Today we're using a large 40cm Le Creuset pot, the
inside of which I am instructed to both butter and oil. 这个句子后面的非限制定语从句，该如何解释？the inside of
which在这个从句是做地点状语么？还有to both butter
and oil是做主补么？
The train was supposed to arrive an hour ago.The train was supposed to have arrived an hour ago.请教老师，这两句话的an hour ago 指的都是现在说话时的一小时前吧？它们可否解释为suppose时的一小时前？
Surely it should be obvious to the dimmest executive that trust, that most valuable of economic assets, is easily destroyed and hugely expensive to restore——and that few things are more likely to destroy trust than a company letting sensitive personal data get into the wrong hands.句中的that...