11Module 3 Unit 3 Language in use-【教与学·学导练】2022-2023学年八年级下册英语同步课件PPT（外研版）

英 语 教与学 学导练 教与学·学导练·英语·八年级·下册·配外研版 （内文） Module 3　Journey to space Unit 3 Language in use 2 目录 01 02 课堂小测 语法聚焦 03 课后作业 3 现在完成时(2) 一、概述 1. 现在完成时的标志词:当表示动作已经完成并对现在有一定影响时,我们一般用现在完成时。同时,可分别用just, already或yet加以强调或说明。如: 返回目录 语法聚焦 2.考点介绍:just, already与yet的区别 I have already heard the news. 我早已听到消息。 I haven’t heard the news yet. 我还没听到消息。 I have just heard the news. 我刚听到消息。 返回目录 二、一般过去时与现在完成时的区别 1. 一般过去时表示过去某时发生的动作或单纯叙述过去的事情,强调的是过去的动作。如: I visited West Lake in 2012. 我在2012年游览过西湖。(强调过去参观西湖这一事实) 返回目录 2. 现在完成时表示过去发生的动作对现在造成的影响或结果,强调的是过去的事情对现在仍有影响。如: I have visited West Lake, so I won’t go this time. 我游览过西湖,所以这次我不去了。(强调对现在造成的影响) 【注意】当没有明确的过去时间状语时,判断使用现在完成时还是一般过去时的标准是看该行为是否对现在有影响,即该句想要强调什么。 返回目录 专练 一、单项填空 (　C　)1. — 　　　⁠ you  　　　⁠your writing task yet?　—Yes, I  　　　⁠it yesterday.  A. Did; finish; finished B. Did; finish; have finished C. Have; finished; finished C 返回目录 (　C　)2. —Is dinner ready?　—Not 　　　⁠.   A. already B. just C. yet (　B　)3. —May I speak to John?　—Sorry, he  　　　⁠Japan.And he 　　　⁠ in two days.   A. has been to; will come back B. has gone to; will be back C. has been to; would come back C B 返回目录 (　B　)4. How many books  　　　⁠you  　　　⁠so far?  A. did; read B. have; read C. are; reading B 返回目录 二、找出下列句子的错误,并在横线上进行更正 5. Bill has been to the UK yet.  　　has后面加not或yet改为already 　⁠ 6. I has been to Guangzhou in 2021.  　　has been改为went 　⁠ 7. I haven’t received a letter from him already.  　　haven’t改为have或already改为yet 　⁠ 8. I already finished my homework.  　　already前面加have 　⁠ has后面加not或yet改为already 　 has been改为went 　 haven’t改为have或already改为yet 　 already前面加have 　 返回目录 一、用所给单词的适当形式填空 1. We  　　discovered　　⁠ (discover)this beach while we were sailing around the island.  2. —Have you waited for long?　—No, I’ve just  　　got　　⁠ (get)off the train.  3. It’s  　　impossible　　⁠ (possible) for me to be there before eight. I need a lot more time.   discovered got impossible 返回目录 课堂小测 4. Sometimes we  　　communicate　　⁠ (communication) by email, and sometimes by phone.  5. I won’t visit