学语法时,例句尽量从简,这样才能真正体会语法点。我改用简单例句说明。当if从句假设的说话人认为不可能或不大可能实现的条件时,if从句可以为三种虚拟语气形式:过去式、were to do 和 should do.If it rained tomorrow, I would stay at home.If it were to rain tomorrow, I would stay at home.If it should rain tomo...
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This attraction to eyes 指的是baby的注意力被眼睛吸引,attraction 是被动意义,being attracted to eyes. 而attachment 为依恋、依附,指baby对眼睛的依恋,喜欢看到眼睛。经常看到眼睛才会产生/获得这种依恋。所以正确答案为 A attachment。
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Do what you wish /Do what you wish to /Do what you wish to do以上三种都正确。实际最常见的是第一种。这就是《剑桥语法》所说的所谓自由选择结构free choice construction. Do what you want/like/wish/please.这种结构中, what=whatever. please不可后接to.
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I dont know what it is you think I have.= I dont know what it is that you think I have.强调句型省略了that.
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take boat/car/train rides:乘船。take在这里并不是使役动词啊。最早的交通工具为骑马,take a ride, 后来引申为使用其它交通工具。
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这段话出自《新概念英语》第四册第30课课文。整句如下:Since the sea covers the greater part of the earth's surface, it is quite reasonable to regard the sea floor as the basic form of the crust of the earth, with, superimposed upon it, the continents, together with the islands and other features o...
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你查一下《韦氏高级》start,你的问题就解决了。start in 为不及物短语动词;start in on为上述短语动词+介词on,所以可以后接宾语;start on为及物短语动词。至于What time did sb do sth?这样的问句,what time直接作状语,是因为时间名词可以作状语,所以介词at 被省略了。
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当when从句和主句都是一般时态时,when从句的动作都是先于主句动作的,无论when从句在主句前还是在主句后。只不过一般人在叙述时,习惯按照动作发生的顺序来叙述,所以when从句在主句前较为多见而已。如果主句的动作在when从句之前,则主句通常要用完成时态。例如,When he came back, the children had gone to bed.
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scientific and research findings= scientific (findings) and research findings本质上,and并列的是二个名词词组,第一个名词词组的中心词省略了。有时因为名词没有相应的形容词形式,此时的名词形式就用作形容词,所以可以和形容词用and并列。
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