状语从句教案

状语从句 状语从句 2h 教学目标教学目标 掌握 9 大状语从句及其中重要的引导词与句型 由于高考中状语从 句经常和从句的时态语态 动词短语的搭配 以及状语从句的省略 虚拟语气 与倒装一起考查 因此必须掌握好 1 时间状语从句中各种引导词引导的主句与从句的时态的判断 2 地点状语从句中表示抽象含义时从句必须在主句之前 3 原因状语从句中 because as now that 的位置问题 4 目的状语从句中的 so that 与在结果状语从句中的区分 5 结果状语从句中的 so such that 的特殊结构及其倒装 6 条件状语从句中的 if unless 的用法 7 方式状语从句中的虚拟语气的用法 8 让步状语从句中的 as though 做引导词时的倒装用法 教学重点教学重点 1 掌握常用的状语从句中的引导词 2 判断状语从句中的时态 3 状语从句中的倒装情况 no sooner than hardly scarcely when not until 用于句首时的倒装 结果状语从句中 so such 置于句首时的倒装情况 as though 引导的让步状语从句的倒装情况 4 as if though 引导的方式状语从句中的虚拟语气 教学进程教学进程 导入 状语从句在句子中作状语 修饰谓语 时间状语从句 回顾有哪些词可以引导时间状语从句 when while as 表示 当 时 immediately instantly as soon as directly the moment no sooner than hardly when scarcely when once 表示 一 就 till until not until 表示 直到 才 before 表示 还没来得及 就 不到 就 since 表示 自从 every time each time next time the first time any time all the time 表示 每当 每 次 下次 等等 状语从句中的时态的判断方法 过去 现在 将来 延续性与非延续性 时间点与时间段 主从句中的谓语动词的先后关系 判断开始时间与截止时间 when while as 都可以表示主从句动作同时进行 口头造句举例 如 when the music fades away people tide away She sat there alone while others were all dancing He dances joyfully as the music goes 当主句动词为短暂性 从句动词用延续性动词的进行时态表示一段时间内的动 作时 三个词可互换 如上面的第二个句子 When 可引导持续动作亦可引导短暂动作 如 When I was young I used to play Barbie dolls While 引导的必须为延续性动词 侧重和主句中的动词相对比 如 While he was making the breakfast his wife was sleeping As 可以指主从句的动作交替进行 如 She feels someone s following her so she walked fast as lotoked back 一 就 The moment she heard the music she liked most she stood up to dance Hardly had the Cinderella got home when the clock knocked 12 o clock As soon as I get there I ll let you know 强调当 no sooner than 和 hardly when scarcely when 提到句首时要用到倒装 till until not until 肯定句 主谓语必须为延续性动词 You can dance to your joy until you feel tired 否定句 主从句必须为非延续性动词 You can t marry him until I say yes 强调 till 不能放句首 until 可以 6 before I hadn t finished my sentence before he turned his back to me It will be 2 years before I get back 7 since I haven t spoken to him since 1 year ago It is 3 years since I smoked It has been 3 years since I smoked 8 Every time 歌词 every time I leave to head out on the road I wanna take you with me save me from the cold 练习 1 We usually call someone a green hand 当他没有经验 his job experienced 2 I was speaking to Ann on the phone 突然我们短线了 cut 地点状语从句 表示抽象含义时 从句需在主句前 如 Where there are girls there is gossip where 引导的定语从句与状语从句 You d better make a mark where you have any questions 状从 You d better make a mark at the place where you have any questions 定从 原因状语从句 回顾有哪些引导词 because since as now that seeing that considering that owing to because of thanks to due to for 区别 连词位置内涵语气能否回答 why 能否被强调 Because主句前或后直接因果关 系 强能能 As主句前或后 Since now that 主句前 双方都知道 的原因 弱不能不能 When 有时也表示原因 如 It is silly of you to take his words when every one tells you he s a liar 目的状语从句 So that in order that for fear that in case lest 等 She looked at the clock now and then for fear that she might get home late He has made up a whole story in case she asks 结果状语从句 So 形容词 副词 that 从句 So 形容词 a an 可数名词单数 that 从句 So many much few little 名词 that 从句 It is so easy that even a five year old student can work it out Such a an 形容词 可数名词单数 that 从句 Such 形容词 可数名词复数 不可数名词 that 从句 Such a lot of lots of 名词 that 从句 He is such a strange girl that no one like to talk to her So 或 such 置于句首倒装 So poor a girl she is that she has no freedom at all Too to 与 not enough to 与 so as to 条件状语从句 As so long as if unless in case 与目的状语从句中意义不同 supposing provided that In case In case there is a fire what will us do first She always dress herself well in case he come to see her 方式状语从句 As as if as though As if though 引导的从句如果很难实现或与事实相反 应用虚拟语气 如 Don t look at me like that as if I had done something wrong 让步状语从句 Although though 可与 yet still 或 nevertheless 连用 不能和 but 连用 Even though even if 有时需要用虚拟语气 如 Even if I were busy I would go Though 有时可以用于句末 指 然而 He said he would come he didn t though As 与 though 引导的从句用于主句之前时应使用虚拟语气 表语是单数名词时 前置时还应省略冠词 Child as my son he knows a lot Much as I like it I won t buy it Whether or wh ever no matter wh ever Whether you believe it or not it s true 比较状语从句 As as not as so as more than the more in of A times as as B 课堂练习 I 填入适当的引导词 1 I haven t heard from him he went to America 2 He won t be here he is invited 3 He will not go to the cinema he is very busy 4 We found the key she lad left it 5 We found the books two days he had gone away 6 We had no sooner got to the station the train left 7 He speaks English he were an Englishman 8 He is explaining clearly they could understand 9 Do not leave the room you have finished the test 10 She sang she went along 答案 1 since 2 unless 3 because 4 where 5 after 6 than 7 as if 8 so that 9 before 10 as II 改错 1 The children were running on the playground as fast as they can 2 Since her husband had died so she had to support her family 3 He won t go out until his mother will come 4 He was very foolish that he didn t pass such an easy exam 5 Tom had gone out as soon as his mother got home 6 It was three months since he came to our school 7 The playground of our school is larger than their school 8 The streets in Nanjing are wider than Shanghai 9 Whatever there is plenty of sun and rain the fields are green 10 She sings songs as if she is a bird 答案 1 can 改为 could 2 去掉 so 3 will come 改为 comes 4 very 改为 so 5 as soon as 改为 when 6 was 改为 is 7 than 之后加上 that of 8 than 后加 those in 9 whatever 改为 wherever 10 is 改为 were III 找出从句并指出是那类从句 1 It depends on whether we have enough time 2 The question he asked was where the electrical equipment should be stored 3 The mountain is no longer what it used to be 4 The fact that she works hard is well known to us all 5 He was not the man that he was before 6 Now you was free why not go swimming with us 7 Where there are schools and colleges there are examinations 8 Bad habits once firmed are difficult to give up 9 She often wears the same kind of skirt as her twin sister does 10 The moment he opened the window a bird flew in 答案 1 whether we have enough time 介词宾语从句 2 he asked 定语从句 where the electrical equipment should be stored 表语从句 3 what it used to be 表语从句 4 that she works hard 同位语从句 5 that he was before 定语从句 6 Now you was free 让步状语从句 now now that 7 Where there are schools and colleges 地点状语从句 8 once firmed 时间状语从句 9 as her twin sister does 定语从句 10 The moment he opened the window 时间状语从句 IV 填入适当的引导词完成句子 1 will do the experiment comes to the professor s office 2 will do the experiment hasn t been decided 3 The teacher didn t leave twelve o clock 4 the day went on the weather got worse 5 she is young she knows quite a lot 6 It worried her a bit her hair was turning grey 7 You will be late you leave immediately 8 Go and get your coat It s you left it 9 is mentioned above the number of the students in senior high schools is increasing 10 had I entered the room the phone rang 答案 1 Whoever 2 Who 3 until 4 As 5 Alt