http:// ule 9 Unit 3 Language in use http:// ectives: To learn to use present continuous tense http:// mples in this module I’ m standing on the Great Wall of China and talking to you. He is eating an ice cream. He isn ’ t writing a postcard. We ’ re preparing for Spring Festival. They are lying in the sun. Tony is eating a delicious ice cream. They ’ re working. People aren ’ t having dinner. http:// 行时态(I) :表示现在(说话瞬间)正在进行的动作。 He is watching TV now . He is drinking a glass of water. 还可以表示当前一段时间内的活动或现阶段正在进行的动作。 We are working on a farm these days . I am writing a book this year . Grammar http:// . 谓语动词的构成:助动词 be + V-ing 。请大家注意观察,其中的 be 随着人称、数的变化而变化( am, is, are 三种形式) 。注:不加助动词 be的 V.-ing 或 be+V原形不能构成现在进行时。如: I’m visiting my friend. He is eating an ice cream. We ’ re preparing for Spring Festival. They are lying in the sun. He visiting his friend. (×) He is visit his friend. (×) http:// -ing 的组成形式有如下几种: 1) 动词后面直接加 ing do ing buy ing play ing 2)动词去掉 e加 ing : hav ing tak ing giv ing writ ing 3) 重读闭音节、结束只有一个辅音字母的, 双写动词最后一个字母, 然后加 ing 。 ru nn ing swi mm ing si tt ing sho pp ing ge tt ing begi nn ing pu tt ing 4) 特殊形式的变化 lie —ly ing die -- dy ing 3. 动词-ing 的构词规律: http:// ting the postcard. s 4. 句型转换: 在变为否定句时, be 后加 not 。在变为一般疑问句时把 be提前到句首, 人称和 be 作相应变化。 1) 将下面的句子变为否定句: I’m not 2) 将下面的句子变为一般疑问句: 3) 将下面的句子变为一般疑问句: Tony having lunch .i I? ’mI writing the postcard . Are you? http:// is writing a postcard. He is not (=isn ’t ) writing a postcard. 肯定句否定句一般疑问句(把 be提到句首) 【3种句型结构分析】注意看转换过程中的变化。 I am lying in the sun with my friends. 肯定句一般疑问句(注意人称的相应变化) Is he writing a postcard? Are you lying in the sun with your friends? http:// . 现在进行时的标志词有:Look! Listen! now ,It ’ s -----o ’ clock. Now it ’ s 8 o ’ clock. What are you doing? 等。 What are you doing now ? ( 你在干什么? ) I ’ m reading now . ( 我现在正在读书。) Listen! She is singing. ( 听,她正在唱歌。) Look! My mother is watering the flowers.
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