Unit 1 第3课时 Grammar-2021-2022学年八年级英语下册同步精品课堂（牛津译林版）

第三课时 Grammar Unit 1 Past and present PPT部分图片来源于网络。 yet, recently, past 目标 finish one’s homework, since Monday, teach sb., the history of China, over the past century, more about, past and present, hear about sth., plan to do sth., would like to do 四个句式的转换关系和标志词的位置 现在完成时：定义、句式、标志词 动词的过去分词 Grammar 目录 Ⅵ. Sentences Ⅶ. Grammar Ⅷ. Summary Ⅸ. Practices Contents Ⅰ. Review Ⅱ. Lead In Ⅲ. New Words Ⅳ. Text Ⅴ. Phrases Review Review realize impossible waste lonely married husband wife factory anyway block northern pollution since interview over before Review 踩地雷。 +1 -1 Round One _____... ______... 把 ... 变成 ... ____some ways 在某种程度上 _____the years 多年来 _____ action 采取行动 _____... _______... 把...放到...里 Review 词组接力。 Round Two feel ______ 感觉孤独的 interview _____ 对 ... 采访 a _____ 一点儿 ______ cleaner 干净得多 as often as_______ 像之前一样经常地 Lead In Lead in Have you finished your homework？ New Words New Words yet [jet] adv. 还；仍 recently [ˈriːs(ə)ntli] adv. 近来；最近 past [pɑːst] adj. 过去的 recent adj. 最近的 New Words 跳过 ヽ ヽ ∨ ∨ ヽ Text Text 时态 定义 句型 标志词 现在完成时 定义 1. 从过去开始，持续到现在。 2. 过去发生的动作对现在有影响。 3. 这个动作多次进行。 句型： 1. 主语 + have / has + done... 2. 主语 + have / has + not + done ... 3. Have / Has + 主语 + done ...? 4. 特殊疑问词 + have / has + 主语+ done 时间标志词：just, ever, since, since then, over the years, before, yet, recently, already, over the past century, over the past two hours, for... Text 1. 从过去开始，持续到现在。 2. 过去发生的动作对现在有影响。 3. 这个动作多次进行。 I have lived here since I was born. Eddie has just eaten Hobo's food. (Eddie ate the food, and now Hobo has nothing to eat.) I have already read this book many times. Grammar 现在完成时： 动词过去分词done Grammar One 大部分动词 + ed finish ed 以e结尾的动词 + d change 以y结尾的动词 把y改为i + ed carry 以重读闭音节结尾的动词 双写最后一个字母 + ed stop d 不规则变化 AAA型 hit-hit-hit AAB型 beat-beat-beaten ABA型 come-came-come ABB型 spend-spent-spent ABC型 do-did-done ied ped Mr Wu wants the students to practi