高中英语 Unit 1(Advertising)-Grammar课件 牛津译林版必修4 课件VIP免费

Unit 1 AdvertisingGrammar and usage Direct speech and indirect speech:What are “direct speech and indirect speech? And when do we use them? 1. We use direct speech to report what exactly has been said. If we write the speech down, the words will usually appear in quotation marks.e.g. Tom said, “I have previewed Grammar and usage.”↘ Tom 2. We often use indirect speech to report the meaning of what has been said without using the exact words. e.g. Tom said that he had previewed Grammar and usage.Comparing the examples, we can see the changes in “personal pronouns & tenses”.More examples:She said, “I’m used to ads.”She said that used to ads.she was The table below shows how we usually change the tenses when the reporting verb is in the past tense. Direct speechReported speechDirect speechReported speechSimple presentPresent continuousSimple pastPresent perfectSimple pastPast continuousPast perfectDitto!Simple futureFuture in the pastPast perfectPast perfectPresent perfect continuous Past perfect continuousTrue or false:“Light travels as great speed.” he said. → He said that light traveled at great speed.Ftravels at great speed.We do not change the tense when we report a fact that does not change over time. More practice:1. He said, “We exchange gifts at Christmas.” → He said (that) they exchange gifts at Christmas.2. He said, “ Magnet ( 磁铁 ) attracts iron.” →He said that magnet attracts iron.3. The teacher said, “The earth contains a large number of metals which are useful to man.” →The teacher told us that the earth contains a large number of metals which are useful to man. 定语从句How to change this sentence?Tom said, “I’m working here today.” →Tom said he was working the...