While on a hiking trip, our cooks prepare delicious meals.While listening to the radio, she fell asleep.If asked to answer the question, please speak louder.老师说状语从句主从句主语一致从句省略主谓,这三个句子都是吗?可是第三个句子主语是什么呢
...ur basic alternatives.这里面I have been able to discover 我能够发现的。但这里面为什么不用I have discovered?用have been able to是表示当时做某事的“能力”吗?其结果对现在产生影响(discover终结短暂动词)。句2: They have been able to keep up cheer...
... watched TV while she ate her supper.我的疑问是:as所在句子的主从句的主语是否要相同?as所在句的延续性动词为什么不用be doing?第4句对吗?为什么不用be doing? while可以换as吗?表达"一边...一边..."时,as与while的区别?谢谢!
...候,都是做静态动词,表达一种状态,比如例句:A: Since when do I need your permission?!B: I need you help.A, B两句是不是都是表达了一种延续事件或者说延续状态?另外我还想问一下这句话是否正确呢?Since when have I been needing you permission?!
...ing the house for three years.对不对?现在分词的完成时不能作定语。问题2:The school,
having been built for two years, is intended for disabled children. 此时having been build
for two years是非限制性定语,还是状语?
...是第二次珍珠港事件,这事件时至今日一直是我们最悲惨的时刻。以上原句是省略句吗?补充后的完整句型是:Commentators called the attack a second Pearl Harbor, until now (it is /it has been) our most tragic hour。添加上it is 或it has been这句是正确...