...谓语形式 将来动词过去式(be用were)should + 动词原形were to + 动词原形 would / should / might / could + 动词原形现在动词过去式(be 用 were)would / should / might / could + 动词原形过去had +动词过去分词would / should / might / could have + 动词过...
... classes 是否可以相互换过来?Our English teacher was preparing the lessons when I came intothe office.Our English teacher was preparing for classes every day.麻烦专家老师分析一下,谢谢!
There 50 per cent or more of the population is/are illiterate.1.开头为什么有一个There? 可否放到最后?可否去掉There? 去掉之后,意思有变化吗?2.上句可否改成There are 50 per cent or more of the population being illiterate,意思有变化吗?谢谢老师!
(1) Every year the superstar set aside some time he can travel incognito with his wife.定语从句转变为宾语子句:(2) Every year the superstar set aside when he can travel incognito with his wife.语法书说 句子(2)是错误的,为什么,请详细解释一下,(句子出处...
We house a broad range of experts united by the common goal of creating
the best language learning tools possible.请问这句话中possible修饰什么成分,为什么放在名词之后?这个possible是因为create才放在句尾的吗?
...式上是把现在分词短语与谓语动词交换了位置:He was getting cold standing around in his underwear. 他穿着内衣站在那儿,感到越来越冷。He was standing around in his underwear, getting cold. 他穿着内衣站在那儿,感到越来越冷。