高中英语人教版必修5Unit5FirstaidPeriod3Grammar教案（系列五）.docVIP

Unit5 First Aid Grammar 省略句(Ellipsis) I Teaching objectives Language aims: (1) To get students to have knowledge of the grammar. (2)To make students master the grammar through exercises. Ability aims: Presentation, practice and summary Emotion aims: To encourage students to become interested in grammar learning. II. Teaching important points 1.To encourage students to become interested in grammar learning. 2. To get students to know rules of the ellipsis. III. Teaching difficult points Let Ss master the usage of Ellipsis. IV. Teaching procedures Step 1 Dictation Let the students have a dictation freely in five minutes before class. Step 2 Lead in Let the students find at least three sentences with ellipsis from the Reading. Step 3 Grammar Interpretation 定义：为了使语言简洁或避免重复，要省略句中的一个或几个成分，这种语法现象称之为省略。 1. 状语从句的省略 在when, while, whenever, till, as soon as, if, unless, as if, though 等引导的状语从句中，其实是：包括时间，让步，方式等一些状语从句中，若从句主语和主句主语相同，或者是it时，且从句的主语为be动词时，则从句中的主语和be动词常全部被省略。 If _______________(heat), water will boil . When ___________(walk) the dog , you were careless and it got loose . 常用的一些短语： 1. if possible , when/ if necessary, as … as possible, as please (随便) I will do what I can _____________(help) you when necessary. If necessary , I will write him a letter . 2. if so (如果是这样)，if ever (如果曾经发生过)，if any(如果有些)，if not (如果不)， even so （即便如此） I will go to the party. If not, I will let you know. I do not like reading popular novels. If any, I can read it. It is likely to rain tomorrow. If so, I will stay at home surfing the Internet. 3. 在as, than, however，whatever, no matter what 等引导的从句中，常省略某些成分。 After two hours she became quieter (than she had been). ) 2. 虚拟语气中的省略： 1），常省略if，而将had，were, should 提前，构成部分倒装。 __________ he _________(take) my advice, he would have succeeded. 2),在suggest动词串中，应用虚拟语气虚拟语气（should +动词原形），should 可省略。 It suggested that we (should ) go to see a film. 3. 在定语从句和名词性从句中的省略: 1），在限定性定语从句中，常将在从句中做宾语或状语的关系词who, whom, that省略。 The girl _______