【正文】 n. 但 although(though) 不能同 but 連用 如: 誤 Although it was barely four o39。 同 ... 一樣 39。而不是39。 的意義as well as 用作并列連詞時(shí)它意義相當(dāng)于 not only...but also, 但側(cè)重點(diǎn)在后一并列成分上而 as well as 側(cè)重點(diǎn)卻在前一并列成分上 ,A as well as B=not only B but also A. 例如 It is important for you as well as for me. 這件事不僅對(duì)我重要對(duì)你也很重要(2) more than 表示而不是之意. 例如: The manager, more than the trades union, is responsible for the present impasse. 目前的僵局應(yīng)由經(jīng)理而不是工會(huì)負(fù)責(zé)。 和 39。例如： 誤：Both Mary swept the floor and Nancy mopped it.正：Mary swept the floor and Nancy mopped it.5) 其它并列連詞常見的有： as well as, more than, rather than, no less than 等. (1) as well as 表示 39。例如：No man ,no animal, and no house is to be found on the island.Without both money and talent, science would progress slowly.Neither the students nor the teacher has read the paper.Not only the students but also the teacher has been there.從上述諸例可以看出，當(dāng) neither...nor, not only ...but also 連接主語時(shí)，動(dòng)詞的數(shù)則與靠近它的主語的數(shù)相一致。上面所提到的 so,therefore 等詞，有的語法學(xué)家把它們做為連接性狀語。例如：The fuel must have beeenfinished, for the engine stopped.It rained , therefore the game was called off.表示原因的并列連詞只有 for ，它所引導(dǎo)的分句只是對(duì)前一分句補(bǔ)充說明理由或推斷原因。例如：Either Tom or his sisters are ing.連接兩個(gè)主語時(shí)，動(dòng)詞的數(shù)也應(yīng)與靠近他的主語的數(shù)相一致。例如：Hurry up, or else you39。 Either ...or 和 or 一樣，可以連接兩個(gè)并列的獨(dú)立分句，而 whether...or 則不可以。例如：You can stay at home or go to the cinema.Heat the water, otherwise it will freeze.You may either stay here or go with us.Whether in school or at home, Jim is always cheerful.Either ...or 和 whether...or 表示選擇，其意義比單用 or 要強(qiáng)，但由 whetrher...or 構(gòu)成的并列結(jié)構(gòu)一般只能擔(dān)任句子的從屬成分。例如：The bike was quite old but in excellent condition. （轉(zhuǎn)折）It never rains but it pours. （對(duì)比）能表示上述轉(zhuǎn)折概念的還有 conversely , on the contrary, by this time, all the same , fortunately, on the other hand , in the meantime 等詞語。這類連詞主要是從邏輯上，而不是從形式上連接句子，其關(guān)系比較松散。半連接詞39。1. 并列連詞 并列連詞用來連接屬于同一層次并具有相同句法功能的詞；短語或句子。它用來把單詞；短語或句子連在一起。 I wonder if (=whether) she has received our telegram. 我不知道她是否收到了我們的電報(bào)。例如： Whether (≠if) they will e or not won39。t know whether (=if) these figures are accurate. 我不知道這些數(shù)字是否精確。例如： That they will refuse the offer is unlikely. 他們不太可能會(huì)拒絕這個(gè)建議。 2. such...that It was such a boring speech that I fell asleep. 演講枯燥乏味，聽得我都睡著了。 3. in order that He assigned us some books to read at home in order that (so that) we might have a deeper understanding of the subject. 他指定幾本書給我們回家看，以便我們對(duì)這一主題有一個(gè)較深的了解。 引導(dǎo)目的狀語從句的從屬連詞有： 1. lest She explained again and again lest people should misunderstand her. 她一再解釋唯恐人們誤解。 2. as (so)...as He doesn39。ll get there. 即使我得一路走著去，我也要去那里。 引導(dǎo)讓步狀語從句的從屬連詞有： 1. although / though Everybody worked with great enthusiasm although/though the weather was extremely cold. 雖然天氣很冷，大家工作得非常起勁。 8. on condition (that) I39。 6. suppose/supposing (that) Suppose (Supposing) (that) he won39。 5. provided /providing (that) I39。 4. in case We39。 3. unless I won39。 2. even if We wouldn39。 6. seeing that Seeing that (Since) nobody was very enthusiastic about it, they decided to cancel the trip. 由于都沒有很高的熱情，他們決定取消這次旅行。d better start the work right away. 你們既然都回來了，我們最好馬上就開始工作。t force you to. 既然你不愿意去，我們也不勉強(qiáng)你。 3. since Since you don39。 引導(dǎo)原因狀語從句的從屬連詞有： 1. because He failed because he was too careless. 因?yàn)樗中模允×恕? 8. as soon as As soon as he got well, he went back to work. 他病一好就回去上班了。 7. until (till) I shall stay here until (till) I39。 5. before It would be months before he was fit for the work. 要過好幾個(gè)月他才能適應(yīng)工作。 4. after After I visit Shanghai I39。 2. while We should strike while the iron is hot. 我們要趁熱打鐵。 從屬連詞是用來引導(dǎo)從句的。 3. therefore You are right, therefore we should support you. 你是對(duì)的，所以我們應(yīng)當(dāng)支持你。s rather cold outside. 你最好把毛衣穿上，外邊相當(dāng)冷。 表示因果關(guān)系的并列連詞有： 1. for You39。 nevertheless I don39。 4. nevertheless I don39。 3. however She felt ill. She went to work, however, and tried to concentrate. 她病了。 表示轉(zhuǎn)折或?qū)Ρ鹊牟⒘羞B詞有： 1. but He tried hard but he was unsuccessful. 他做了很大努力但沒有成功。ll either behave yourself, or you39。 除了表示選擇外，or和either... or還可以表示否定的條件： 1) Now I must go or (if not) I shall be late for the party. 我現(xiàn)在得走了，否則晚會(huì)我就要遲到了。 表示選擇的并列連詞有： 1. or You may do it yourself, or ask someone else to do it. 你可以自己做或者讓別人做。 4. not only... but also We should not only be bold, but also be cautious. 我們不僅要大膽，而且要謹(jǐn)慎。