Module 3 Unit5-第3课时 Grammar(内文)-【教与学·学导练】2023-2024学年八年级上册英语同步课件PPT（上海教育版）

英 语 教与学 学导练 教与学·学导练·英语·八年级·上册·配上海教育版（内文） Module 3 Culture and history Unit 5 Educational exchanges 第3课时 Grammar ·内文· 目录 02 课堂练习 01 语法聚焦 现在完成时(一) 语法聚焦 返回目录 I have read that book. 我已经读过这本书了。 George has met that gentleman on several occasions. 乔治已经在好几个场合见过那位先生了。 —Have they found that missing child? 他们找到那个失踪的小孩了吗？ —Yes，they have. / No，they haven't. 是的，他们已经找到了。/ 不，他们还没找到。 How long have you had that bike? 你拥有那辆自行车多久了？ 返回目录 【拓展】1.现在完成时的时间状语详解 (1)already意为“已经”,用于肯定句中，常置于助动词之后或句末。如: We've already tasted the food.我们已经尝过这种食物了。 （2）yet意为“尚未；仍未”，常用于疑问句或否定句中，常置于句末。在疑问句中用来询问某事是否已发生，在否定句中用来表达某事尚未发生但有可能发生。如： 返回目录 Have you tasted the food yet? 你们尝过这种食物了吗? We haven't tasted the food yet.我们还未尝过这种食物。 （3）ever意为“曾经”，通常用于疑问句中。如： Have you ever been to China?你曾经去过中国吗？ （4）never意为“从不”，表示否定的意思，常置于助动词之后。如： She has never been to China.她从来没有去过中国。 返回目录 2. have / has been to与have / has gone to的区别 have / has been to表示去过某个地方，已经回来了；have / has gone to表示去了某地还没回来，可能是正在去的途中或者已经到了目的地。如： Haley has been to my grandmother's house. 海莉去过我外婆家。 I haven't seen Mary for a few days. She has gone to her grandmother's house. 我好几天没见到玛丽了。她去了她奶奶家。 返回目录 课堂练习 一、用所给单词的适当形式填空 1. She has ____________ (visit) China many times. 2. I have ____________ (make)a lot of good friends in my class so far. 3. I haven't ____________ (hear) from him, so I don't know any news about him now. visited made heard 返回目录 4. —Has the bus left yet? —Yes, it has already ________(leave). 5. She knows this city well because she has ________(be) to this city several times. left been 返回目录 二、单项填空 ( )1. —Mike, why are you standing outdoors? —I ________ my keys. I have to wait here until my mother comes back. (2022铜仁) A. have lost B. will lose C. had lost D. lose A 返回目录 ( )2. —It's a pity that there is no ticket for sale. —Don't worry. I ________ the tickets. (2022丹东) A. am buying B. buy C. was buying D. have bought D 返回目录 ( )3. The Art of War is great and I________ it many times so far. (2022沈阳) A. read B. have re