Unit8Have you read Treasure Island yet sectionA(4a-4c)(30张PPT+视频)

课件30张PPT。 Unit 8 Have you read Treasure Island yet? Period(Three) SectionA(Grammar focus-4c ) 版本:人教版八年级下册Lead inWatch a video and answer what does the video talk about?objectivesTo learn the present perfect tense with already and yet -- Have you decided which book to write about yet? --Yes, I have. I’ve already finished reading it. It was really good.Fill in the blanks according to the Chinese meaning.1. A: 你读过《小妇人》吗？ B: 我读过。/ 我没读过。A: _____ you _____ Little Women yet? B: Yes，I _____. / No, I _____.2. A: Tina读过《金银岛》吗？ B:她读了。她认为它棒极了。A: _____Tina _____ Treasure Island yet? B: Yes, _____ _____. She thinks it’s _____.Hasreadfantastic she hasHavehaven’treadhaveRevision3. A：你已经决定写哪本书了吗？ B: 我已经确定了。我已经读完了它。它真的很棒。A: _____ you _____ which book ____ _____ _____ yet? B: Yes, I have. I’ve _____ _____ reading it. It was really good. Havedecided to writealreadyfinishedaboutdecide-decided-decidedfinish-finished-finishedRead the following sentences we have seen.Have you read Little Women yet? Yes, I have./ No, I haven't. Has Tina read Treasure Island yet? Yes, she has. She thinks it’s fantastic. Have you decided which book to write about yet? Yes, I have. I’ve already finished reading it. It was really good.PresentationGroup work根据上面句子分组归纳总结现在完成时的用法。现在完成时定义现在完成时定义三要素： 1.表示到现在为止已经完成或刚刚完成的动作。 2.一件发生在过去的事情对现在产生影响。 3.一个动作开始于过去，并持续到现在（也许还将持续下去）。I started learning English in 2012. I am learning English these days. I have learned English for 4 years.（一般过去时）（现在进行时）（现在完成时）现在完成时结构肯定句：主语 + have/ has + 过去分词+... 否定句:主语+haven’t ( have not) +过去分词… 主语+hasn’t ( has not ) +过去分词... 疑问句:Have / Has+主语+过去分词...?I haven’t finished my homework. Have you finished your homework? I have finished my homework. 现在完成时的用法1) 表示到现在为止已经完成或刚刚完成的动作。By now, I have collected all the data I need. Now we have planted all the trees.2) 表示过去发生的动作,强调结果或对现在的影响。Someone has broken the window. I have just cleaned my hands. (窗户现在是坏的)(手是干净的)3) 表示从过去开始并持续到现在的动作或状态。 She has learned English for 5 years. He has lived in Beijing since he was born . 动词的过去式的变化和过去分词的变化并不完全相同。我们对它们作了一个大致的分类。 (注：例子中单词的变化顺序为：动词原形 → 动词的过去式? → 动词的过去分词)Grammar一、过去式和过去分词的变化相同 规则变化： 1. 一般在动词词尾直接加ed。如： pick → picked → picked; wish → wished → wished; stay → stayed → stayed 2. 以不发音的e结尾的动词后面加d。如：like → liked → liked; hope → hoped → hoped; phone → phoned → phoned3. 以“辅音字母 + y”结尾的动词，变y为i，再加-ed。 如：study → studied → studied; hurry → hurried → hurried; reply → replied → replied 4. 词尾只有一个辅音字母的重读闭音节动词，要双写辅音字母，再加-ed。如：stop → stopp ... ...