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起連接詞與詞、短語(yǔ)與短語(yǔ)及句子和句子的作用。它主要是包括并列連詞和從屬連詞。 她將在這周或下周回來(lái)。 整個(gè)晚上我們都在唱歌跳舞。②and 可連接兩個(gè)分句,表示遞進(jìn)關(guān)系。 別開這么快,不然你會(huì)出車禍。②however, still 等為副詞,但可起連接作用,表示意思的轉(zhuǎn)折“但是”或“然而”。 His first response was to say no. Later, however, he changed his mind.他的第一反應(yīng)是不行,但后來(lái)他改變了主意。 天在下雨,但我還是要去。 The days were short, for it was now December.Our cases were heavy, so we took a taxi. 我們的箱子很重,因此我們坐了出租車③ therefore 為副詞,也表示同樣的意思“因此”,可放句前:He had gone。 【基礎(chǔ)練習(xí)】(一)根據(jù)句意選用and, but, or, so, while, for填空。ll get wet.5. Do you understand what I said _________ do you want me to explain it again?6. We have classes in the morning, _________ we don39。s getting dark.11. Be careful, _________ you will fall off the tree.12.—Excuse me. Do you have a table for two? —I39。ll fall behind。t see any more monkeys. A. but B. so C. and D. for ( ) 6 _____ Li Ping ______ Wu Fang ______ League members. A. Neither。 is C. Both。 is ( ) 7 You can ______ stay at home ______ go out to play. A. either。 and ( ) 8 _____ Wei Hua ______ Ann______ very busy. A. Both。 is C. Either。 are ( ) 9 ______ Monday______ Tuesday is OK, I will be free then. A. Either。 and ( ) 10 ______ my brother_______ sister are doctors. A. Not。 or二、從屬連詞:1.分類: 從句種類主要從屬連詞 時(shí)間從句 when, while, as, before, after, until, till, whenever 條件從句 if, unless 目的從句 in order that, so that 結(jié)果從句 so…that, such…that, so that, so 原因從句 because, as, since 讓步從句 although, though, even though(if), while 方式從句 as if, as though 地點(diǎn)從句 where, wherever 比較從句 than, as[說(shuō)明]that, whether, if 等從屬連詞可引導(dǎo)名詞從句,在句中擔(dān)任主語(yǔ)、賓語(yǔ)等。 我們要趁熱打鐵。 要五年后咱們才能再相見(jiàn)。 我建議等警察來(lái)了再說(shuō)。3.引導(dǎo)條件狀語(yǔ)從句的連詞(重點(diǎn)):1)條件狀語(yǔ)從句主要由if, unless, supposing(suppose)引導(dǎo): if: If it rains tomorrow , we will have to stay at home. unless: I won’t write unless he writes first.4.引導(dǎo)目的狀語(yǔ)從句的連詞:(重點(diǎn))in order that: I lent him 500 yuan in order that he can go for a holiday. 我借給他50英鎊,使他能去度假。 such…that: Jim made such a noise that his sister told him to be quiet. 吉姆吵成那樣,他姐姐讓他安靜點(diǎn)。 既然你悔悟了,我就原諒你