1、.連詞知識講解概念：連詞是用來連接詞與詞、 詞組與詞組或句子與句子、表示某種邏輯關系的虛詞。連詞可以表并列、承接、轉折、因果、選擇、假設、比較、讓步等關系。分類： 連詞是一種虛詞，它不能獨立擔任句子成分而只起連接詞與詞，短語與短語以及句與句的作用。連詞主要可分為4 類：并列連詞.轉折連詞 .選擇連詞和因果連詞。連詞也可以分為2 類：并列連詞和從屬連詞常見的表示語義引申的并列連詞有：1. andJustice is on your side. And justice will triumph over injustice.正義在你們一邊，而正義是會戰勝非正義的。2. neither. norSh

2、e could neither speak the language nor write it. 這種語言她既不會說，也不會寫。3. both. andA man should have both courage and perseverance一.個人既要有勇氣又要有毅力。4. not only. but alsoWe should not only be bold, but also be cautious. 我們不僅要大膽，而且要謹慎。5. as well asI have read one of his novels as well as a few of his plays. 我讀過

3、他的一本小說和幾個劇本。表示選擇的并列連詞有：1. orYou may do it yourself, or ask someone else to do it.你可以自己做或者讓別人做。2. either. orI left it either on the table or in the drawer. 我不是把它放在桌子上了，就是放在抽屜里了。.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. 我現在得走了，否則晚會我就要遲到了。2) You

4、9;ll either behave yourself, or you'll never go out with me. 你要么老實點，要么就永遠不能跟我一起出去。表示轉折或對比的并列連詞有：1. butHe tried hard but he was unsuccessful.他做了很大努力但沒有成功。2. yetThe car was old, yet it was in excellent condition. 這輛車子很舊，但仍處于良好的狀態。3. howeverShe felt ill. She went to work, however, and tried to conc

5、entrate. 她病了。然而她照舊去上班，并且盡力集中精神工作。4. neverthelessI don't know anything against that man; nevertheless I don't trust him. 我對那個人沒有什么不良的看法，但我不能信賴他。表示因果關系的并列連詞有：1. forYou'd better put on your sweater, for it's rather cold outside. 你最好把毛衣穿上，外邊相當冷。2. soMy sister is expecting me， so I must b

6、e off now. 姐姐在等我，因此我得走了。3. thereforeYou are right, therefore we should support you. 你是對的，所以我們應當支持你。4. henceI fell off my bike yesterday hence the bruises. 我昨天騎自行車摔倒了 所以青一塊、紫一塊的。.從屬連詞是用來引導從句的。引導時間狀語從句的從屬連詞有：1. whenThere was prolonged applause when he began to speak. 他開始講話時響起了經久不息的掌聲。2. whileWe should

7、 strike while the iron is hot. 我們要趁熱打鐵。3. asAs (When) he entered, the hall burst into thunderous applause當.他進來時，全場發出雷鳴般的掌聲。4. afterAfter I visit Shanghai I'll travel up the Yangtze. 訪問上海之后，我將溯長江而上。5. beforeIt would be months before he was fit for the work.要過好幾個月他才能適應工作。6. sinceIt is just a week

8、since we arrived here. 我們到這里才一個星期。7. until (till)I shall stay here until (till) I've completed my studies.我要在這里待到學習結束為止。8. as soon asAs soon as he got well, he went back to work. 他病一好就回去上班了。9. onceOnce he said that, I knew he was lying.他一說這話我就知道他在撒謊。引導原因狀語從句的從屬連詞有：1. becauseHe failed because he

9、was too careless因.為他太粗心，所以失敗了。2. as.As it was already rather dark, we decided to stop at the temple for the night. 因為已經相當晚了，我們決定在廟里待一夜。3. sinceSince you don't want to go, we won't force you to. 既然你不愿意去，我們也不勉強你。4. now thatNow that you are all back, we'd better start the work right away. 你

10、們既然都回來了，我們最好馬上就開始工作。5. considering (that)They did the job quite well considering (that) they had no experience. 考慮到他們沒有什么經驗，這項工作他們已經干得不錯了。6. seeing thatSeeing that (Since) nobody was very enthusiastic about it, they decided to cancelthe trip. 由于都沒有很高的熱情，他們決定取消這次旅行。引導條件狀語從句的從屬連詞有：1. ifIf you can do it, so can I. 你要是能辦到，我也能辦到。2. even ifWe wouldn't lose heart even if we should fail ten times.我們就是失