2018秋人教版九年级英语上册课件:unit6单元语法小专题(Grammar Focus)(共11张PPT)
- 格式:ppt
- 大小:826.50 KB
- 文档页数:11
2017-2018学年九年级人教版英语教学课件:Unit 6 Section A Grammar Focus-4cSection A Grammar Focus-4c Unit6 When was it invented ?When was invented ? It was invented in What is it used for ? It is used forfridge n. 冰箱 I think a fridge is the most useful invention in modern world.translate v. 翻译 She is translating the words into English.She is a good translator.lock v. 锁上;锁住 He is locking the car. This lock is strong. earthquake n. 地震 Dont be afraid of the earthquake.biscuit n. 饼干 Dont eat too much biscuit, it isnt good for your health.cookie n. 曲奇饼干 Dont eat so much cookie, because it is too sweet.instrument n. 器械;仪器;工具 There are many kinds of instruments in our school.When was the zipper invented? It was invented in 1893. Who was it invented by? It was invented by Whitcomb Judson. When was tea brought to Korea? It was brought to Korea during the 6th and 7th centuries. What is the hot ice-cream scoop used for? Its used for serving really cold ice-cream.一般过去时态的被动形式注意:这里 be 的形式决定了被动语态的时态,其后的过去分词没有变化。
Unit 6Section A Grammar Focus-4c人教版 英语 九年级上册u To understand and use the passive voice(past tense) be + v (ed).u To talk about when inventions were invented and where they were invented.u If you like, you can practice more.被动语态 (Passive Voice)结构: be + V-p.p.一般现在时的被动语态:am / are / is +动词的过去分词一般过去时的被动语态:was / were +动词的过去分词Many people speak English.(主动语态)English is spoken by many people.The naughty boy broke the window yesterday.(主动语态)The window was broken ( by the naughty boy) yesterday.主动句与被动句之间的转换We bought some books.主语谓语动词主动语态的过去式宾语Some books were bought ( by us ) 主语谓语动词被动语态的过去分词介词+ 宾语主动句变为被动句所遵循的4个步骤:1. 把原主动句中的宾语变为被动句的主语。
2. 把动词变为被动形式即be+过去分词,并注意其人称和数随主语的变化,而动词的时态则保持不变。
3. 原主动句的主语如需要则放在by后面以它的宾格形式出现(注代词的宾格),如不需要则可省略。
4. 其它的成分(定语、状语)不变。
过去式被动语态的几种句型肯定句主语 + be + 过去分词 + (by…)A sweet song was sung by her on the stage.否定句A sweet song wasn’t sung by her on the stage.一般疑问句Was a sweet song sung by her on the stage?特殊疑问句Where was a sweet song sung by her?Grammar FocusWhen was the zipper invented?It was invented in 1893.Who was it invented by?It was invented by Whitcomb Judson.When was tea brought to Korea?It was brought to Korea during the6th and 7th centuries.What is the hot ice-cream scoop used for?It’s used for serving really cold ice-cream.Active Voice : Alexander Graham Bell invented the telephone in 1876. Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876.1. When was the zipper invented?C. It was invented in 1893.2. Who was it invented by?D. It was invented by Whitcomb Judson.3. When was tea brought to Korea?A. It was brought to Korea during the 6th and 7th centuries.4. What is the hot ice- cream scoop used for?B. It’s used for serving really cold ice-cream.1.一般过去时的被动语态的句式结构肯定句主语+was/were+及物动词的过去分词( + by…)否定句主语+was/were + not+及物动词的过去分词(+ by…)疑问句Was/Were+主语+及物动词的过去分词(+by …)?特殊疑问词+was/were+主语+及物动词的过去分词( +by...)?2. 一般过去时的被动语态的基本用法用法示例表示过去某一具体时间发生的动作,且句子的主语是谓语动词动作的承受者。