...么情况使用它?见:http://ask.yygrammar.com/q-24691.html曹老师的解答认为:网友的这个句子:I shouldn’t always have to tell you what to do. 中,should是推测性用法。否定式表示不定式描述的情景有70%左右的几率是不存在。即have to do somethin...
下面的句子来自新概念英语第三册:By having to sleep in the open, he gets far closer to the world of nature than most of us ever do. 由于被迫在露天睡觉,他比我们中许多人都离大自然近得多。这里的 by having to...被翻译成“由于被迫……”。...
...“老师”偶尔会微微皱眉,似乎觉得我俩没有尽到当父母的责任。 我们知道 considering 前面省略了she or he was,完整结构是 as if (she or he was) considering us to be…。 请问老师,句中的 to be considering 即 to do 的进行时态是和谓语动词...
Covering much of the earth's surface is a blanket of water.上句中, is 是系动词吗?这是倒装句吗?上句可以倒过来说,即 A blanket of water is covering much of the earth's surface 吗?修改后的句中is covering还是系动词吗?