一、概說
sGMC$%e} 連詞是一種虛詞,用于連接單詞、短語、從句或句子,在句子中不單獨用作句子成分。連詞按其性質可分為并列連詞和從屬連詞。并列連詞用于連接并列的單詞、短語、從句或句子,如and, but, or, for等;從屬連詞主要引出名詞性從句(主語從句、賓語從句、表語從句等)和狀語從句(時間狀語從句、條件狀語從句、目的狀語從句等),引出名詞性從句的連詞如that, whether等,引出狀語從句的連詞如when, because, since, if 等。
h-lMrI)U?h 二、并列連詞的用法
pfZn<n5p 1. 表示轉折關系的并列連詞。這類連詞主要有 but, yet 等。如:
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NQup;#h Someone borrowed my pen, but I don’t remember who. 有人借了我的鋼筆,但我不記得是誰了。
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d*YtK He said he was our friend, yet he wouldn’t help us. 他說他是我們的朋友,但卻不肯幫助我們。
^row=5]E 2. 表示因果關系的并列連詞。這類連詞主要有 for, so 等。如:
<`-"K+e!J The child had a bad cough, so his mother took him to the doctor. 這孩子咳得很利害,所以他媽媽帶他去看醫生。
wpx,~`& You are supposed to get rid of carelessness, for it often leads to serious errors. 你們一定要克服粗枝大葉,因為粗枝大葉常常引起嚴重的錯誤。
G\jr^d\ 注意:for表示結果通常不能放句首,也不能單獨使用。
n9cWvy&f 3. 表示并列關系的并列連詞。這類連詞主要有 and , or , either…or , neither…nor , not only…but (also) , both…and , as well as 等。如:
%b@>riR(y He didn’t go and she didn’t go either. 他沒去,她也沒去。
0S/&^ The weather is mild today; it is neither hot nor cold. 今天天氣很溫暖,不冷也不熱。
Dih~5 Both New York and London have traffic problems. 紐約和倫敦都存在交通問題。
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rc It is important for you as well as for me. 這對你和對我都很重要。
/xrt,M@ People who are either under age or over age may not join the army. 年齡不到或者超齡的人都不得參軍。
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三、從屬連詞的用法
3i35F.=X, 1. 引導時間狀語從句的從屬連詞
X903;&Cim (1) 表示“當…時候”或“每當”的時間連詞。主要的 when, while, as, whenever。如:
+1h^9Y' Don’t talk while you’re eating. 吃飯時不要說話。
yMX4 f Vegetables are best when they are fresh. 蔬菜新鮮時最好吃。
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f<s? He came just as I was leaving. 我正要走時他來了。
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