... a book about his experience
and had it published the following year.我填的是Having returned，但是我在网上查到了2个相关课件，答案是Returning。我在这个问题（https://www.cpsenglish.com/question/30042）中看到：“doing作状语，分词的动作和谓语动作在时...
It's good to know that the dogs will be well cared for while we're away. 这个句子分析：it做形式主语，to know that...不定式做主语。可以把that..句子作为主语，it做形式主语，谓语部分is good to know.这样的分析吗？
...乡下某处见过这种树。●When my husband has a stomachache, he
sometimes goes to another hospital by underground. 当我丈夫胃痛的时候，他有时坐地铁去另一家医院看病。●I bought myself a
gun, andthis is between ourselves.
我给自己买了一杆枪，别告诉别人...
As often, in such cases, they weren’t telling me more than they had to,
it was up to me to tell them.请问weren’t telling在这里用进行体表示什么意义？表示对将来的计划、安排吗？还是表达一种习惯意义，如果表达喜欢意义怎么理解呢？
When we touch something, the machano-reporters feel the touch and through a network of nerves to send signals to the brain.This informs the brain of the location of the touch, the amount of force used,and the speed at which *it was used.这段话怎么判断it的指代对象是touch呢 或者it判...
You might even be tempted to assume that humanity has little future to look forward to. 1. be tempted to do中to do是结果状语吗？2. to look forward to是不定式做future的后置定语与future为逻辑上的动宾关系吗？
one of the problems facing mankind today is racism. 这句话中的facing与mankind主谓关系是什么特殊用法吗？另外，face的主语可以是物吗？比如to alleviate the challenge facing the special problem中的facing是challenge的定语吗？