中考英语语法一轮复习——现在完成时(共19张PPT)

现在完成时态 Present perfect Grammar Focus 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. 定义： 1. 表示过去发生或已经完成的某一动作对现在造 成的影响或结果。 e.g. –Have you had your lunch yet? –Yes, I have. I’ve just had it. (现在我不饿了。) 2. 表示动作或状态从过去某一时刻开始，一直延 续到现在，而且可能还要继续下去。 e.g. I haven’t seen her these days. I’ve known Bob for three years. I’ve been at this school for over two years. 现在完成时 结构： 主语+ have / has + 动词的过去分词 助动词 否定 haven’t hasn’t 疑问 Have you…? Has he…? 句式： 1. 肯定句：主语 + have / has + 过去分词 (+ 其他) 2. 否定句：主语 + have / has + not + 过去 分词(+ 其他) 3. 一般疑问句：Have/ Has + 主语 + 过去 分词(+ 其他) 4. 特殊疑问句： 特殊疑问词 + have / has + 主语+过去分词 (+ 其他) I have finished my homework. I have not finished my homework. -Have you finished your homework? -Yes, I have. / No, I haven’t. What have you jus