老师好，根据时态呼应原则，从句的时态要后退，下面的句子
我不能理解：I checked the orders instantly. That’s when
we realized we made a mistake.犯错误这个动作发生在 realized 之前，为什么不用过去完成时？我了解主句是said，told 那种，...
...question/24894 看到了曹老师的讲解，说过去本来想做而没做只能用was supposed to have done，而不能用is。我觉得很有道理，因为planned/intended/meant to have done sth.中的plan和could/should have done sth. 中的could都是过去时。所以 （一）我怀...
...但难闻的气味仍然存在。W: There’s a method you can try. Every time you make
coffee, dry the leftover coffee grounds and keep them in small balls, then
place the balls in the kitchen. 有一个方法你可以试试。你每次煮咖啡时，把剩下的咖啡渣凉干，做成小球，然...
..., for British
Conservatives, Thatcher is an icon, her failures erased over time, her
successes manifold in memory. 大意：对于美国共和党而言, 罗纳德·里根是一个偶像, 撒切尔对于英国保守党而言同样如此, 她的失败随着时间的推移被抹去, 她的成功在人...
It's difficult to make a name for yourself on the stage ,where the competition is so fierce.to make a name for yourself这个to/for颠倒的结构,还是不定式的复合结构吗?另外请问下,为什么末尾的从句,要用逗号隔开阿?
...he concept of opportunity cost, which simply refers to whether someone’s time or money could be better spent on something else.Every hour of our time has a value. For every hour we work at one job we could quite easily be doing another, or be sleeping or watching a film. Each of these options has ...
...https://www.cpsenglish.com/question/61083）（1）These days much
of my time is spent weaving my way around drinks parties. 这些天，我多半都是在酒会上晃悠过去的。（2）My mornings are
spent rushing around after him. 我每天早上都跟着他到处跑。（3）My working days
w...