雅思语法基础训练：介词和连词 (2)

2018 年 09 月 03 日来源：朗播网

摘要：很多时候我们可能会将一些语法知识学得过于死板，这就会造成我们在读雅思文章或者写作文的时候，不能很好地将语法知识运用到实际的应用中。小编按照语法分类整理了一系列雅思语法基础训练题，并且配上详细的解析和知识点梳理。下面我们就来看一个关于介词的语法题目。

## 语法题目 ## **介词和连词第2题** ____ Eijah McCoy's invention of the lubricating cup in the early 1870's, machinery had to be stopped in order to be lubricated. A. Before B. When C. While D. Lately ## 题目解析 ## 参考答案: A 答案解析：空格后至逗号前的部分不是从句而是名词性短语，故所缺为不是连词而是介词，即答案 A。翻译：在Elijah McCoy于19世纪70年代早期发明润滑杯之前，必须使机器停止运转才能给机器润滑。 ## 解题思路根据句意，想要表达的是「在……之前」，四个选项中只有 before 能够表达这个意思，所以选择 A 选项。这里需要注意，逗号前并不是一个完整的句子，所以 before 在这里是一个介词，而非连词。其余三个选项都是连词，要连接词与词或句与句。 ## 知识点梳理 ## **介词** 介词是英语词类中的一种虚词，不能独立在句中充当句子成分。但介词与其宾语一起构成介词短语以后，就可以在句中充当多种句子成分，可以作主语、补足语、定语和状语等。介词的作用：介词是把名词与动词、形容词或另外的名词连接起来，以表示前后词语之间的关系。常见介词：at, by, for, from, in, near, of, off, on, during, since, before, after, until; inside, out of, within, without, outside, throughout; as to, until after, except for; at the cost of, at the mercy of, by means of, in place of, by favor of, in spite of, in/with reference to, in/with regard with ① I have lived here for a year. ② I'll wait for you till 10 o'clock. ③ I was familiar with nobody at the meeting. ④ Swimming is good for your health. ⑤ We can see with our eyes and write with our hands. ⑥ We succeeded by cooperating with them. ⑦ She seems to know the solution to the problem. **连词** 连词是英语词类中的一种虚词，不能独立在句中充当句子成分，但可以起连接作用，即连接词与词或句与句。连词有两类：从属连词和并列连词。从属连词都引导从句，比如状语从句、定语从句等；并列连词可以连接两个互不依从的词、短语或分句。常见从属连词：when, while, as, before, after, until, till, since, if, unless, so that, because, although 等常见并列连词：and, or, but, yet, for, either…or, both…and, not only…but also, as well as, neither…nor 等 ① When he comes I'll tell him about it. ② I wasn't long before he told us about it. ③ We danced and danced until they all joined in. ④ He was worried because he hadn't had any letter from her. ⑤ Although everyone played well, we lost the game. ⑥ We were singing and dancing all evening. ⑦ She has been learning English for six years, but she doesn't speak it very well. ⑧ The days were short, for it was now December.

以上就是小编按照英语语法知识点的分类为广大雅思考生整理的一系列雅思语法基础训练题，并且配备了超详细的题目解析和知识梳理，希望可以让大家的备考之路不再那么艰辛。

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