介词不单独做成份,加上名词、代词、动名词等构成介词短语做成份。如in不做成份,in the room可以做定语(the audience in the room),状语(He stayed in the room all day.) 表语(He was in the room all day.) 补足语(We find nothing in the room.)等。has 后面应该有something, nothing, everything,much,little等构...
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always加了个频度副词,对语法无影响。have done是现在完成时,have been doing是现在完成进行时,强调这个动作一直在做,可能还要继续做下去;如:I have been working here for 10 years.(以后还要在这里干下去)I have been waiting for you the whole morning!(抱怨等得久了)
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句子变形:The island is connected with the mainland by a steamer service.
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这个题型不熟悉,按照你说的答案来倒推一下这个句子的合理。代入原句成为 ......have also been blamed for causing hundreds of deaths and thousands of injuries, as well as doing serious damage to the nations's recreational areas.这句话里and并列hundreds of deaths和thousands of injuries做causing的宾语;...
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What is what you said?这个说法句子结构上没问题;What you said is what?交际中也能听明白。可以说是现实中存在的语用。但是这两个说法都不地道。
回答于 1秒前
一般解释会说“两者之间”用between,三者或以上用among。这个说法有点教条,要看实际情况。比如树间长满了鲜花。(好多树呀)如果是路边的树,考虑用between,因为花在每两棵树之间;若是换个环境到树林里,还是用among合理。还有个更好理解的例子,我国新疆地区的地形是“三山夹两盆”,这里肯定要翻成between啦
回答于 1秒前
只解释语法啊(觉得这个句子怪怪的,看不清楚)should have done是个固定的语法现象,大部分语法书把它归到虚拟里面,意思是“本来应该”,是对过去虚拟的,所以后面那句话是过去时。加个例句:He should have handed in the schedule yesterday, but he didn't.他昨天就应该交上规划书,但没有。
回答于 1秒前