第7讲 状语从句-备战2021年高考英语一轮复习必过知识点 (语法复习)
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第7讲 状语从句 【基础题组】 1.Located_________the Belt meets the Road, Jiangsu will contribute more to the Belt and Road construction. 2.One of the true tests of leadership is the ability to recognize a problem ________ it becomes an emergency. 3.It is so good a habit to instruct children to lay things _______ they belong when they are young. 4.Imagination is more important than knowledge, for knowledge is limited, imagination is about all there ever will be to know and understand. 5.________ the arguments, it's necessary to consider the contributions Hong Kong Disneyland has made in lifting the number of tourists. 6.—Do you know anything about the intellectual property law? —Well, ________ you produce pirated goods, ________ you are against it. 7.Why do we pay so much attention to gossips about pop stars, ________ millions are made up and forgotten every day? 8.“________ I went through ups and downs in life,” Gordon said, “I never found the importance of being self--disciplined as well as the significance of life.” where; before; where; while ;Whatever ;if, then ; when ; Until
【语法点梳理】 【知识梳理1】分类 状语从句是副词性从句,它在句子中担任状语,修饰主句的动词、形容词、副词或句子。状语从句可以分为以下九种: 1、时间状语从句 2、地点状语从句 3、原因状语从句 4、目的状语从句 5、结果状语从句 6、条件状语从句 7、方式状语从句 8、让步状语从句 9、比较状语从句
【知识梳理2】具体用法 1) 时间状语从句: 连词 例句 说明 when ①When I came into the room, he was writing a letter. ① when指的是“某一具体的时间”。 时 间 状 语
从 句
whenever 当我进屋时,他正在写信。 ②We shall go there whenever we are free. 我们什么时间有空,我们就去那里。 ② whenever指的是“在任何一个不具体的时间”。 while ① While it was raining, they went out. 正当天下雨的时候时,他们出去了。 ②I stayed while he was away. 他不在的时候而我在。(然而) ③All of us are working hard while he is sleeping.(然而,并列连词) while指“在某一段时间里”,“在……期间”, while引导的动作必须是持续性的。
as ① He hurried home, looking behind as he went. 他赶快回家,一边走一边向后看。 ② As time goes by, I like China better. 随着时间的流逝,我越来越喜欢中国。 as (“一边……一边”)引导持续性动作,强调主句和从句的动作同时发生; as“随着……”
before ① We had sailed 4 days before we saw land. ②It will be two years before he leaves this school. ③The tailor had measured me before I could get in a word .( 还没来得及...就...) ④ I finished my task before I went home. 我做完作业才回家。 ⑤ Be a pupil before you become a teacher. 先做学生,再做先生。 before的常用句式: ①肯定句:“好久……才……”;否定句:“不久……就……” ②主语+had (not) done sth for something before ... ③ It was (not) + 一段时间 + before... It will (not) be + 一段时间 + before... 肯定:“要过多久……才……”否定:“不久……就……” ④主句+before sb. can(could) do“还没来得及……就……” after He arrived after the game started. 比赛开始后,他到了。 after“在……之后”
till until ①We waited till(until)he came back . 我们一直等到他回来。 ②She didn’t stop working until eleven o’clock . 她到11点钟才停止工作。 ③Until he had passed out of sight, she stood there. 她站在那里看着,直到看不见他的身影。 ①如主句动词是持续性动作,常用肯定式,表示“直到......为止”; 如主句动词是瞬间动词,要用否定式。 ②not...until...表示“直到......才......”。 ③ 如果从句放在句首表示强调,一般用until。 ④by也可以表示时间,意为“到......为止,不晚于......”
since Great changes have taken place in China since 1978. 自从1978年以来中国发生了巨大的变化。 主句动词为持续性的,从句动词为瞬间的。 ①如果状语从句在主句之前时一般用逗号与主句分开;②如果从句在主句之后则不必用标点符号。 as soon as Hardly/Scarcely had...when No sooner had ...than.... the moment.. the instant... the second... immediately ①As soon as I arrive in Shanghai, I’ll write to you.我一到上海就给你写信。 ②Hardly (Scarcely) had I got home when it began to rain. 我刚一到家就下雨了。 ③No sooner had we got to the station than the train left. 我们刚到车站,火车就走了。 ④We had just begun the moment we were ①hardly...when和no sooner...than的意义相当于as soon as,但只表示过去发生的事情,主句为过去完成时,从句为过去时,如hardly或no sooner位于句首时语气强,而且主句的谓语要用部分倒装。 ②名词短语连词: directly... instantly... told to stop. 我们刚开始就被叫停。 ⑤I felt cheerful immediately I heard the song. 我一听到这首歌就感到很愉快。 “一......就......” 主句+ the moment...从句 主句+the instant...从句 主句+the second...从句 ③ 副词短语连词: 主句+ immediately +从句 主句+ directly +从句 主句+ instantly+从句 every time =each time last time... next time... the first time... by the time... ①Every time I traveled by boat, I got seasick. 我每次乘船都晕船。 ②Last time we saw you, you were too thin. 上次我们见到你的时候,你太瘦了。 ③Next time you come, bring your loved son. 下次来的时候,带着你可爱的儿子。 ④ I thought her nice and honest the first time I met her. 第一次见面的时候,我就觉得她诚实善良。 ⑤You will see by the time you receive the gift. 收到礼物的时候你就知道了。 every time=each time “每次......;每当......” last time...“上次......” next time...“下次......” the first time“第一次......” by the time...“到......时......” 如果在“时间、条件”状语从句中,主句已经是将来时,那么从句就不能用将来时或过去将来时,而要用一般现在时或一般过去时代替将来时。
2) 地点状语从句和原因状语从句: 从句 连词 例句 说明