人教版高中英语必修5unit1语法课件
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人教版高中英语必修5 unit1 过去分词作表语和定语概念引入今天我们要学习过去分词作表语和定语的用法。
先看下面这些句子:1. But he became inspired when he thought about helping ordinary people exposed to cholera.(inspired过去分词作表语;exposed过去分词作定语)2. So many thousands of terrified people died every time there was an outbreak.(terrified过去分词作定语)3. He became interested in two theories that possibly explained how cholera killed people.(interested 过去分词作表语)4. From the stomach the disease quickly attacked the body and soon the affected person died.(affected过去分词作定语)5. He was determined to find out why. (determined过去分词作表语)6. He found that it came from the river polluted by the dirty water from London.(polluted过去分词作定语)上面句子中的黑体词都是过去分词,句1(inspired)、句3、句5中的三个词跟在系动词became、was后作表语;而句1(exposed)、句2、句4、句6中的四个词放在名词前或后修饰名词,作定语。
那么过去分词是什么?有什么作用?我们将在本单元和下两个单元中与同学们一起学习。
语法讲解英语中动词如果不作谓语时叫非谓语动词。
必修5 Unit1 Great scientistsPart 1. Warming up1.explain及物动词(vt.)解释;说明;阐明[(+to)][+wh-][+(that)]He explained that he had been cheated. 他解释说他是上当受骗了。
Can you explain how the machine operates?你能解释一下这机器是如何运转的吗?Please explain this rule to me.请给我讲解一下这条规则。
不及物动词(vi.)解释;说明;辩解I've got to explain about it. 我得解释一下此事。
2.characteristicn. 特征;特性Kindness is one of his characteristics.adj. 独特的I heard my friend’s characteristic laugh.be characteristic of sb./sth. 是.....的特性Such bluntness is characteristic of hin. 如此迟钝是他的特性。
3. Who put forward a theory about black holes?put forward 提出(建议等);提名;提前,把时钟往前拨He put forward a new plan. 他提出一个新计划。
May I put your name forward as a possible chairman of the committee?我能否提名你当委员会主席?[归纳拓展]put down 记下;镇压put out 关掉;熄灭put aside 放在一边;储存;保留put off 推迟;延期put up 建造;举起;张贴put on 穿上put away 收好选词填空(put off, put up, put forward, put aside, put out)①The plan that you _____ at the meeting is wonderful.②Many tall buildings were _____ along the road.③Firefighters have been called to _____ the fire in the city center.④He has a little money to _____ for a rainy day.⑤Don’t _____ until tomorrow what can be done today.Part 2. Pre-reading, reading and comprehending1. Do you know how to prove a new idea in scientific researchhow to prove a new idea 为“疑问词+不定式”结构,该结构可在句中作主语、宾语、表语等。