小升初英语语法专项突破集训(通用版):专题十一 连词课件(共23张PPT)
展开起连接作用,连接名词,形容词,短语,或句子的词叫连词。常见连词有:and, but, s .r ,fr, when,if,because等。
1.前后连接两个以上的相似结构。 1)两个并列的动词: We were singing and dancing all evening. 整个晚上我们都在唱歌跳舞。2)名词、形容词等:This apple is big and red. 这个苹果又大又红。3)两个并列的分句(句子):I said it and I meant it. 我说话算数。
2. and 可连接两个分句,表示递进关系。 Give him an inch and he will take a mile. 他会得寸进尺。3.句型:祈使句+and(句子用一般将来时)Buy yur mther an unexpected gift, and she will be very happy.给你妈妈买一个意想不到的礼物,她会非常开心的。Use yur head , and yu will have an idea.动动脑筋,你就会有主意了。
1. 连接两个以上的相似结构“或者”“还是”1)动词He will have dinner with his grandparents r stay at hme.他或者是去陪祖父母吃饭,或者是呆在家里。2) 名词He ften has eggs r hamburgers fr breakfast.他早饭或者是吃汉堡,或者是吃鸡蛋。3)形容词Is his new car blue r red?他的新车时红色的还是蓝色的?
2. 连接两个句子“否则”“不然”句型:祈使句+r(句子用一般将来时)Study hard when yu are at schl, r yu will have a difficult future. 上学的时候好好学,不然你的将来会很困难。Hurry up, r yu will miss the bus.快点,否则你会赶不上汽车的。
3. r与and1)连接相似结构时,and不能用于否定,而要用r来代替。I like singing and dancing.我喜欢唱歌也喜欢跳舞。I dn’t like singing r dancing.我不喜欢唱歌也不喜欢跳舞。2)连接句子时,and表示前后两句话是顺承的关系,而r表示前后是转折关系。Study hard and yu will study well.努力学,你就会学好。Study hard r yu will study bad.努力学,否则你就学不好。
1.常用于连接两个句子,表示转折。“但是”,“却”的意思。不能与thugh /althugh连用,只可单独使用。It is raining utside, but he still keep running. 外面下着雨,但是他还坚持跑步。This mvie is very famus but I dn’t like it. 这部电影很有名气但是我不喜欢。2. but也可以用于连接两个同类性质的词This dress is very beautiful but expensive. 这件裙子很漂亮但是很贵。3. 不是而是 cat is nt hers but mine. 这件大衣不是她的,而是我的。Tm is nt reading but playing in his rm. Tm 不是在读书而是在房间里玩呢。
fr可以表示"因为",但引导的不是从句,而是并列分句,对前面情况加以解释,常用逗号把它和前面的分句分开,这在书面语中比较多见。The days were shrt, fr it was nw December. 白天很短,因为现在已经是十二月。She must have gne ut early, fr she had nt cme fr breakfast.她肯定一早出去了,因为她没来吃早饭。I sn went t sleep ,fr(because) I was tired. 我很快就睡着了,因为我累了。
表示结果,可译为"因此"、"所以"。(不能和because 连用)Our cases were heavy, s we tk a taxi. 我们的箱子很重,因此我们坐了出租车It began t rain , s I had t stay here.开始下雨了,所以我只好留在这里。
七.Because的用法
1. Because 后加原因,不与s连用,可以回答why的提问。---why didn’t yu cme t schl yesterday ?你昨天为什么没来学校?---because I had t lk after my sister.因为我得要照看我的妹妹。I was late fr wrk ,because the traffic was t heavy this mrning.我今天上班迟到了,因为太堵了。2. Because 与because f,Because 后加 句子,而because f 后加名词Because the weather is bad ,we must stay at hme.Because f the bad weather ,we must stay at hme. 因为天气不好,我们得呆在家里。
1. 表示假设的一种条件,“如果”“假如”,在这种条件下,会有什么样的结果。What shall we d if it snws tmrrw?如果明天下雪,我们要做什么呢?If he cmes tmrrw, I will tell him this news.如果明天他来了,我会告诉他这个消息的。2. 在if的句子中,谓语动词通常用现在时态表示将来的动作或状态。(主将从现)I’ ll help yu with yur English if am free tmrrw.如果我明天有空闲的话,我会帮你学英语的。
1. 表示一件事情发生的时候,另外一件事情也在发生。“当的时候”It was raining hard(rain hard 下大雨)when gt t schl yesterday.当我昨天去上学的时候,雨下的特别大。(下雨和去学校两个动作是同时的)When my mther was sleeping ,I was reading in my wn rm .妈妈在睡觉的时候,我在房间里看书。
十. befre与after
1. Befre “在之前”;after”在之后,后面加一个时间点My father gets hme befre six ’ clck every evening.爸爸每天六点前就到家了。He went t bed after twelve ‘clck last night.他昨天晚上12点后睡的觉。2. 后面加句子,表明在做完一件事情之前或之后做了另一件事情。He had learned a little Chinese befre he came t China.他来中国之前学过一点汉语。After he finished middle schl, he went t wrk in a factry.他中学毕业后,去了一家工厂工作。
1. ---I like riding fast. It’s very exciting.---Oh! Yu mustn’t d it like that, ________ it may have an accident.A. and B. r C. s D. but解析:该题考查的是并列连词的用法。答语的意思是“你不要那样做,否则会发生事故的。”在这四个并列连词中,只有r含有这样的意思,所以应选B。2. Jhn fell asleep ________ he was listening t the music.A. after B. befre C. when D. because解析:该题考查的是引导时间状语从句的常用从属连词的用法。本句的含义是“约翰在听音乐的时候睡着了。”表示在干某事时发生了某个事情” 通常用when。因此应选C。
3. —Hw can I wake up s early? —Set the alarm at 5 ’clck, ________ yu’ll make it.A. but B. r C. and D. s解析: 考查“祈使句+and+陈述句”句型,意为“如果…就…”。虽然r也可用于此句型,但r是“否则、要不然”之意,如:Wrk hard, r yu’ll fail. (努力学习,否则就会不及格。) 所以应选C4. ________ I walked fr six hurs, I was tired ut. A. After B. Befre C. When D. if解析; 本题考查以after引导的时间状语从句,意为“在…之后”。句意为“步行了六小时后,我累坏了”。 所以应选A
5. The rf fell _____ he had time t dash int the huse t save his baby. A. as B. after C. until D. befre解析: 本题考查befre引导的时间状语从句,意为“在……之前”。句意为“他来不及冲进去救他的孩子,屋顶就塌了”。 所以应选D6. Dn’t drink t much tea in the evening, ____ yu wn’t fall asleep. A. And B. s C. r D. but解析; 此题考查连词r的用法,表示或者。所以应选C
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二. 阅读理解We ften hear a lt f peple drink wine (酒) .D yu hear f the x (牛) can drink wine? The farmer is ffering (提供) the x sme wine. Is it very strange? It is said that it can nt d farm wrk withut drinking wine.We saw the big yellw x n a farm at last. The villagers tld us that the x was abut 500 jin weight. “We can’t find ut anther x like it in ur hmetwn,” and ld farmer said. The partner f the x is Mr. Liu wh cmes frm Guizhu. Mr. Liu cmes here t make mney. He tld us he had wrked with the x n this farm fr five years. The farm is very big, and the bss(老板) bught this x frm Taiwan. All the farm wrk was dne by the x, but nw it can d sme f them. “We must give the x sme wine t drink r he can’t wrk.” Mr. Liu said and tk ut a bttle f wine. When the x saw the wine, he became very excited. A few minutes later, he drank up all the wine in the bttle. But the x lked at the empty bttle and it seemed that it was nt enugh.“I like drinking the wine,” Mr. Liu tld us, “and I can drink tw bttles.” We fund the wine fr the x was better than that fr Mr. Liu. “Why d yu drink such bad wine?” we asked. Mr. Liu laughed, “I must pay fr it myself if I want t drink. But the x drinks wine frm the bss. One day, ne bttle. The bss must buy sme bxes f wine fr the x t wrk fr him. ”
( ) 1. The x can nt wrk withut _____ accrding t this passage.A. drinking waterB. eating grassesC. having restD. drinking wine( ) 2. The x’s partner _____ frm Guizhu and wrked n a farm with the x.A. cameB. learnedC. heardD. gt( ) 3.Mr. Liu came t the big farm t ________ .A. take care f the xB. help the wnerC. make mney D. d the husewrk( ) 4. When the x saw the wine in Mr. Liu’s hand, it became very ______.A. angryB. excitedC. sadD. wrried( ) 5 Mr. Liu’s wine is ________ than that f the x.A. betterB. wrseC. less D. mre
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