Unit 8 Section A Grammar 现在完成时课件- 2023-2024学年人教版英语八年级下册

Welcome Students Unit 8 Have you read Treasure Island yet? Grammar Review 1. 你已经读过《小妇人》吗？ you Little Woman yet? 不，我没有读过。 No, I . 2. 我已经读过它了。 3. 它怎么样？ 它太棒了。 Have read haven't What's it like? It's fantastic. I've already read it. Your friend invites you to see the moives, but you are very tired and don't want to go, how to refuse him? ---- Would you like to go to the movies with me? ---- Sorry, I have already watched it. Little Joke 一个衣着前卫的摩登女郎，有一天她穿着背心和一双拖鞋去了音乐厅，门口 的检票员看她这身装束就很有礼貌地拒绝让她进场： “Miss, NO ADMISSION WITH SLIPPERS.”(小姐，穿拖鞋是不能进剧场的。) 这位小姐听完之后立即脱掉拖鞋提在手中，说道： “Really? Then I will go in barefootedly.” (哦，是吗？那我光着脚进去!) 这时，这位目瞪口呆的检票员惊呼到： “Oh, my god! Fortunately, I haven't told her NO ADMISSION WITH A VEST.” (天啊!幸好我刚才每对她说穿背心不准进。) Sorry, I have already watched it. I haven't told her 现在完成时 (一) Present Perfect Tense Learing Aims 理解现在完成时的含义、用法，掌握其句型转换并完成现在完成时的练习题。 掌握already,yet在现在完成时中的用法 用法（一） 现在完成时 表示过去发生或已经完成的动作对现在造成的影响或结果。 过去发生 影响现在 完成 现在 强调现在 have/has 过去分词 + 结构 1. --- Why are you watching TV now? --- Because I have finished my homework. 2.--- Have you had your lunch yet? --- Yes, I have. I've just had it.(现在我不饿了) 过去分词 规则变化 finish---finished---finished live---lived---lived study---studied---studied plan---planned---planned 不规则变化 let---let---let read---read---read sleep---slept---slept become---became---become build---built---built buy---bought---bought teach---taught---taught eat—ate—eaten 用法（一） 常和副词already(已经)，yet(还，已经)，never(从不)，ever(曾经)，before(以前)，just(刚刚，仅仅), so far(目前为止)等连用。 A: I have already finished my homework. Have you finished your homework yet? B: No, I haven’t finished it yet. already(已经)：用于肯定句，助动词后 yet (已经，还)：疑问句或否定句，句末 1 2 3 肯定句 否定句 一般疑问句 句型转换 句型转换 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... 一般疑问句:Have / Has+主语+过去分词...? Yes, 主语 + ha