Micro Course 八年级下Unit8 现在完成时 授课教师：黄佳瑜 学校：东莞市南城阳光实验中学

现在完成时 现在完成时的句型结构 现在完成时的标志词 现在完成时的主要用法

Have you ever seen the film? Yes, I have. I have already seen the film. No, I haven’t. I haven’t seen the film yet.

Has Blu learnt to fly? No, he hasn’t. He has never learnt to fly. No, he hasn’t. He hasn’t learnt to fly yet. But he saw the most beautiful thing he has ever seen. Yes, he has already learnt to fly.

Have they seen Blu? They __________ Blu before. haven’t seen They ____ ______ _______Blu. have never seen

Has Blu danced like this before? has ever danced He ____ ______ _____ like this.

现在完成时 动词形式： 句型结构： 1. 肯定句 I have (already) finished my homework. have / has + v 过去分词 (规则变化加- ed) 句型结构： 1. 肯定句 I have (already) finished my homework. She has (already) finished her homework. 2. 否定句 I ________ finished my homework (yet). He ________ finished his homework (yet). “已经”，用于肯定句 用于否定句、疑问句 haven’t hasn’t

Has 标志词： 3. 一般疑问句 A: ____ you (ever) been to Hongkong? B: Yes, I have. / No, I haven’t. I have never been there before. A: ____ she (ever) read Little Women? B: Yes, she has. /No, she hasn’t. She has never read it before. Have Has 标志词： already， yet， ever，never

Let’s talk! Work in pairs A: Have you ever seen ... before? B: Yes, I have. B: No, I haven't. I have never seen... A: Have you seen ... yet? B: No, I haven't. Have you? A: Yes, I've already seen it.

Let’s play! Cartoons

Find out the rules of Past Participle(过去分词） 规则动词（Regular verb): hear ---heard---heard set--- set --- set eat ---ate --- eaten become --- became --- become … finish--- finished---finished 不规则动词 （Irregular verb): arrive --- arrived --- arrived

… 标志词 already 已经 yet 仍，还没 never 从不 曾经 ever before 之前 Key words just, so far, twice, recently, in the past few days … already 已经 yet 仍，还没 … Key words never 从不 ever 曾经 before 之前

标志词即兴操练: 用already，yet，never，ever 填空。 1. Have you read Treasure Island _____？ 2. I have _________ read the book before, so I know nothing about it. 3. She has ________finished reading this book. 4. Have you _______ been to a foreign country? 5. They haven’t found their ship_______. yet never already ever yet

主语+have/ has + done (过去分词) 主语+haven’t/hasn’t+done Summary just, so far, twice, for, since… 动词不规则变化 过去开始持续 到现在的动作/状态 already, yet, never, ever, before 标志词 过去的动作对 现在有影响 用法 动词规则变化 动词形式 主语+have/has +done 构成 肯定句： 主语+have/ has + done (过去分词) 否定句： 主语+haven’t/hasn’t+done 疑问句： Have/Has+主语+done 句型结构 现在完成时