Unit 4 语法：现在进行时课件 2022-2023学年沪教牛津版（广州沈阳通用）七年级英语下册

2023年牛津深圳版初一英语下册unit4语法: 现在进行时 课前一练 在横线上写出下列动词的现在分词形式 carry _ eat _ burn _ send _ rain _ become _ argue _ escape _ live _ lie _ die _ begin_ put _ sit _ carrying eating burning sending raining becoming arguing escaping living lying dying beginning putting sitting 本次课学习内容(Contents): 现在进行时 随堂练习 限时训练 知识点一:现在进行时的用法 1. 表示说话时正在进行或发生的动作 It's raining outside. 外面正在下雨。 2. 表示现阶段一直在进行或不断重复的动作,但说话时该动作并不一定在进行 He's watching an interesting TV play these days. 近来,他在看一部很有趣的电视剧 3. 表示最近的确定安排,即根据计划或安排在近期内将要发生的动作 I’m meeting you at the airport this evening. 今晚,我会到机场接你。 What are you having for dinner? 晚饭吃什么? 4. 表示从一个地方到另一个地方位置移动的动词(如 go, come, drive, fly, travel, arrive, leave, start, visit,run, return 等),以及动词 do 等的现在进行时形式,可以用来表示没有确定安排的决定或计划 He’s leaving for Beijing tomorrow. 他明天动身去北京。 5. 现在进行时和 always,usually,all the time 等连用时,表示一种经常、反复的动作,且说话人往往带有某 种感情色彩(如赞扬、欣赏、厌烦、批评、惊讶、不理解等 She's always helping others. 她总是乐于助人(表示赞赏) You are always talking in class. 你上课老是说话(表示批评) 知识点二:现在进行时的结构:主要体现在 be 的变化上,be 本身无词义,但有人称和数的变化 1. 肯定句:am/ is/ are+ doing E.g.They _ _ an English class. 他们在上英语课。 2. 否定式:am/ is/ are + not + doing E.g.They _ _ an English class. 他们不在上英语课 are having aren't having 3. 一般疑问句:将 be 动词提前到句首,结构: Be 动词+主语+ doing+其它? E.g._ _ _ an English class? 他们在上英语课吗? 4. 特殊疑问句:特殊疑问词+一般疑问句? E.g.What _ they_ ? 他们正在干什么? Are they having are doing 随堂训练 1. My mother is cooking the meal.(改成否定句) _ 2.They are cleaning the window.(改成一般疑问句) _ 3.The birds are singing in the tree.(对划线部分提问) _ My mother is not/ isn't cooking the meal. Are they cleaning the window? What are the birds doing in the tree? 4. The boy is playing basketball on the playground. 一般疑问句:_ 肯定回答:_ 否定回答:_ Is the boy playing basketball on the playground? Yes, he is. No, he isn't. 知识点三:现在分词的变化规则 ①一般情况,直接加-ing E.g. ask→asking see→seeing go→going play→playing ②以不发音的 e 结尾, 去掉 e,加-ing E.g. dance→dancing take→taking come→coming arrive→arriving ③以重读闭音节结尾,末位只有一个辅音字母,双写末位字母,加-ing E.g. swim→swimming run→running forget→forgetting ⑤少数几个以-ie 结尾的动词,变-ie 为 y 再加-i