Module 3 Unit6-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 6 Ancient stories 第3课时 Grammar ·内文· 目录 02 课堂练习 01 语法聚焦 现在完成时(二) 1. since和for的用法 （1）since和for可与持续性动词的现在完成时连用，如live, keep, have等。 （2）瞬间动词的现在完成时不能与since和for连用，如buy, borrow, die, join等。 语法聚焦 返回目录 【拓展】 常见的瞬间动词与持续性动词之间的转换： buy→have borrow→keep die→be dead open→be open close→be closed join→be in begin / start→be on go / leave→be away finish / stop / end→be over arrive / get to / come / reach→be in 返回目录 2. since与for的区别 (1)since+过去某个时间点。如： She has studied at this school since 2014. 她从2014年起就在这所学校学习。 She has studied at this school since 3 years ago. 她3年前就开始在这所学校学习。 Great changes have taken place since you left. 自从你离开后，这里发生了巨大的变化。 返回目录 （2）for+时间段。如： She has studied at this school for 3 years. 她已经在这所学校学习了3年了。 3. 现在完成时与一般过去时的区别 （1）现在完成时用于描述过去发生且对现在产生影响的事情。如： I have studied history for two years. 我已经学习历史两年了。 （2）一般过去时用于表示过去发生的动作或状态。如： I had a history lesson yesterday. 我昨天上了一节历史课。 返回目录 【拓展】 两种时态常用的时间状语不同： (1)现在完成时的时间状语：for, since, ever, never, yet, already, before, recently, so far … (2)一般过去时的时间状语：yesterday, last week / year / month, one year ago, in 2001, just now … 返回目录 课堂练习 一、用since或for填空，完成句子 1. I have studied at this school ________ six years. 2. The concert has been on ________ two minutes ago. 3. The old lady has been dead ________ 2015. 4. We have been good friends ________ we were children. 5. The city has changed a lot ________ I left here. for since since since since 返回目录 二、单项填空 ( )1. As we all know, online learning ________ very popular with students since the beginning of last year. (2022兴安盟、呼伦贝尔) A. are becoming B. has become C. would become D. had become B 返回目录 ( )2. The new restaurant ________ two surveys on its food and service since June. (2022 上海) A. is doing B. will do C. did D. has done D 返回目录 ( )3. Christine ________ the family's Sunday lunch since she was 12 years old. (2022 包头) A. cooks B. cooked C. will cook D. has cooked D 返回目录 ( )4.