状语从句市公开课获奖课件

1、Adverbial Clauses第1页第1页在复合句中作状语成份句子叫状语从句。状语从句主要用来修饰主句或主句谓语。普通可分为九大类，分别表示时间、地点、原因、目的、结果、条件、让步、比较和方式。 一、时间状语从句在时间状语从句中需要注意时态一致。1.whenHe started writing music when he was four years old. (当)他4岁时候，他就开始写音乐作品。 第2页第2页2. when、while和as区别when表示“就在那时”。When she came in, I stopped eating.她进来时，我停止吃饭。(瞬时动词) When I

2、 lived in the countryside, I used to help him.当我住在农村时，我经常帮助他。We were about to leave when he came in.我们就要离开，就在那时他进来了。 第3页第3页While引导从句谓语动词必须是延续性，并强调主句和从句动作同时发生（或者相相应）。 While my wife was reading the book, I was watching TV. (was reading是延续性动词，was reading和was watching同时发生) I like playing football while

3、you like playing basketball.我喜欢踢足球，而你喜欢打篮球。（对比） 第4页第4页as表示“一边一边”，as引导动作是延续性动作，普通用于主句和从句动作同时发生；也能够强调“一先一后。 We always sing as we walk.我们总是边走边唱。（as表示“一边一边”） As we was going out, it began to snow.当我们出门时，开始下雪了。（as强调两个动作紧接着先后发生，而不强调开始下雪特定期间） 第5页第5页3. before和after当before引导从句中，当主句用未来时，从句用现在时；假如谓语用是过去时，主句动词用

4、过去完毕时，表达动作发生先后。After表示主句动作发生在从句动作之后。It will be four days before they come back. 他们要过四天才干回来。 My father had left for Canada before the letter arrived.我父亲正好在信到之前往加拿大了。 After we had finished the work, we went home.完毕工作之后，我们回家了.第6页第6页4.由till或until引导时间状语从句。 till和until普通情况下二者能够互换，不过在强调句型中多用until。假如主句中谓语动词是

5、瞬时动词时，用否认形式；假如主句中谓语动词是延续性动词时，用必定或否认形式都能够，但表示意思不同. 第7页第7页I didnt go to bed until（till） my father came back.直到我父亲回来我才上床睡觉。 It was not until the meeting was over that he began to teach me English.直到散会之后他才开始教我英语。 I worked until he came back.我工作到他回来为止。 I didnt work until he came back.他回来我这才开始工作。 Please w

6、ait until I arrived.在我到达之前请等我。 第8页第8页4.由since引导时间状语从句since引导从句谓语动词能够是延续性动词，又能够是瞬时动词。从句谓语动词用普通过去时，主句谓语动词用现在完毕时。但在It is 时间since从句句型中，主句多用普通现在时。I have been in Beijing since you left. 自从你离开以来，我始终在北京了。 Where have you been since I last saw you? 自上次我和你见面以后，你到哪里去了？ It is four years since my sister lived in

7、Beijing. 我妹妹不在北京住有四年了。 It is five months since our boss was in Beijing.我们老板离开北京有五个月了。 第9页第9页二、地点状语从句1.Where地点从句，(there)主句 译成“哪里哪里就”；主句在从句后面时，there可省略Where there is no rain, farming is difficult.在没有雨水地方，耕作是困难。They were good persons. Where they went, there they were warmly welcomed. 他们都是好人。因此他们走到哪里都受到

8、热烈欢迎。 You should have put the book where you found it. 你本来应当把书放回本来地方。 第10页第10页三、条件状语从句If it doesnt rain tomorrow, we will go hiking. 假如明天不下雨, 我们就去远足. You will get good grades if you study hard. 假如你努力学习,就会取得好成绩. I will go to the party unless he goes there too. 我会去参与聚会, 除非他也去.(假如他不去,我就去.)You will be l

9、ate unless you leave immediately. 假如你不马上走,你将会迟到.=If you dont leave immediately, you will be late.第11页第11页四、原因状语从句由连词because, since, as引导, 也可由for, now that 等1）because语调最强，用来阐明人所不知原因，回答why提出问题。当原因是显而易见或已为人们所知，就用as或 since。 I didnt go, because I was afraid. Since /As the weather is so bad, we have to de

10、lay our journey. 2）由because引导从句假如放在句末，且前面有逗 号，则能够用for来代替。但假如不是阐明直接原因，而是各种情况加以推断，就只能用for。 He is absent today, because / for he is ill. He must be ill, for he is absent today. 3)as和for区别： as引导从句在主句前，for引导从句在主句后。 As the weather is cold, I stay at home. I stay at home, for the weather is cold. 第12页第12页五

11、、目状语从句1.so that 以至, 以便 Ill run slowly so that you can catch up with me. 我将慢慢跑以至你能赶上我。 I opened the window so that fresh air might come in. 我把窗户打开以使新鲜空气可以进来。 2.in order that=so that，为了We shall let you know the details soon in order that you can/may make your arrangements. 不久我们将会让你知道详情,以便你们能够做出安排。 第13

12、页第13页六、结果状语从句由连词( so )that, sothat, suchthat引导1.sothat 如此以至于 The scientists report was so instructive that we were all very excited. 科学家汇报很有启发性，我们感到很兴奋。 He always studied so hard that he made great progress. 他总是那么努力，结果他取得了很大进步。 2. suchthat 如此以至 Its such nice weather that all of us want to go to the

13、park. 天气是如此好，我们大家都想去公园玩。 第14页第14页注：such 修饰名词或名词词组，so 修饰形容词或副词。 so 还可与表示数量形容词many, few, much, little连用。 七、让步状语从句：由连词 though, although引导. 1.though, although即使，都不能和but连用. 但能够同yet (still) 连用. Although he is rich, yet he is not happy. 即使他很富有, 然而他并不高兴. Although we have grown up, our parents treat us as ch

14、ildren. Although we have grown up, our parents still treat us as children. 尽管我们已经长大了,可是我们父母仍把我们看作小孩. 第15页第15页2. ever if, even though即使 Well make a trip even though the weather is bad. 3. whetheror无论都 Whether you believe it or not, it is true. 4.no matter +疑问词或 疑问词+后缀ever No matter what happened, he

15、would not mind. = Whatever happened, he would not mind. no matter what = whatever no matter who = whoever no matter when = whenever no matter where = wherever no matter which = whichever no matter how = however 第16页第16页八、比较状语从句主要利用于形容词和副词原级，比较级及最高级句子之中。 原级 1.asas 和。一样 Jack is as tall as Tom. 捷克和汤姆一样

16、高。 2. not so (as)as 和不同 She is not so (as) outgoing as her sister. 她不如她姐姐外向。 比较级 morethan (更) This book is more instructive than that one. 这本书比那本书由教育意义。 第17页第17页最高级 1.The mostin/of This book is the most interesting of the three. 这本书是三本中最有趣。 2. the + 形容词estof/in This road is the busiest street in our

17、 city. 这条路是我们都市最繁忙街道。 注：no more than只但是(嫌少意思) I have no more than two pens. 我只有两支笔。 not more than不如(前者不如后者) Jack is not more diligent than John. 捷克不如约翰勤奋。 第18页第18页one of the + 名词(复数).之一(用于最高级) She is one of the best students in our school. 她是我们学校最好学生之一。 九、方式状语从句由as, (just) asso, as if, as though引导。 Always do to the others as you would be done by. 你希望人家如何待你，你就要如何待人。 As water is to fish, so air is to man. 我们离不开空气，就像鱼离不开水。