Unit 2 Sentences for Writing （ppt课件）-2022新人教版（2019）《高中英语》必修第二册.pptx

1、必修二 Unit 2 Sentences for WritingReading and Thinking1.Their habitats were becoming smaller as new roads and railways were built.随着新公路和铁路的修建，它们的栖息地变得越来越小。2.The government,however,does not intend to stop the protection programmes,since the threats to the Tibetan antelope have not yet disappeared.但是，由于

2、对藏羚羊的威胁尚未消失，政府并没有打算停止这些保护项目。3.Watching them move slowly across the green grass,I am struck by their beauty.Watching sb do sth,I am struck by.Doing sth,句子现在分词短语,作伴随状语(伴随主句，发生的动作)听村民讲述了他的所作所为，我被他的善良和勇敢打动。PracticeHearing villagers tell me what he did,I am struck by his kindness and bravery.relate sth t

3、o sb 向某人讲述某事 When I _(watch)them move slowly across the green grass,I am struck by their beauty.=When _(watch)them move slowly across the green grass,I am struck by their beauty.=_(watch)them move slowly across the green grass,I am struck by their beauty.拔高练习was watchingwatchingWatching4.Im also rem

4、inded of the danger they are in.sb be reminded of sth“某人想起.”Seeing sth,sb be reminded of sth 看到.,某人想起.看着我们的合照，我想起【我们在一起努力奋斗的】时光。PracticeSeeing our photo，I am reminded of the time when we worked together shoulder by shoulder(肩并肩).5.Only when we learn to exist in harmony with nature can we stop being

5、a threat to wildlife and to our planet.Only+状语从句位于句首，主句要半倒装“Only+状语”位于句首，主句使用半倒装 副词 介词短语 状语从句 助动词 情态动词 系动词 主语 1.那时我意识到自己的错误。Practice【1】Then I realized my mistake.Only then did I realize my mistake.2.你可以用这种方法学好英语。Practice【2】You can learn English well in this way.Only in this way can you learn English

6、 well.3.当我抬起头，我意识到我们迷路了。Practice【3】When I raised my head,I was aware that we got lost.Only【when I raised my head】was I aware that we got lost.总结半倒装:把助动词、情态动词，be动词放在主语的前面。not only 位于句首，所在分句用半倒装。Not only助动词情态动词be动词主语do/does/did/have/has/hadcan/couldam/is/are/was/were 如何使用？思考：一个事物的两个好处。阅读有什么好处？阅读可以丰富我们的词汇。阅读可以拓展我们的视野。阅读不但可以丰富我们的词汇，而且能拓展我们的视野。Reading can not only enrich our knowledge,but also broaden our horizons.Not only can reading enrich our knowledge,but also broaden our horizons.Thank You!