现在进行时态-PPT教学课件.ppt

现在进行时 （The Present Continuous Tense） 初中英语时态系列 现在进行时（The Present Continuous Tense） 一. 用法 1.现在进行时态表示现在（说话瞬间）正在进行或发生 的动作。如： The students are listening to the teacher. He is watching TV now. 现在进行时态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。如 We are working on a farm these days . I am writing a book this month. 二、基本构成 现在进行时由be(am/is/are)+动词现在分词构成。 肯定式结构：主语+be+动词现在分词+其他. 否定式结构：主语+be+not+动词现在分词+其他. 一般疑问句结构：Be+主语+动词现在分词+其他？ 特殊疑问句结构： 疑问词+be+主语+动词现在分词+其他？ 一般在动词原形后+ing go ask going asking 以不发音的e结尾的，去e，+ing write take close writing taking closing 重读闭音节以一个辅音字母结尾的，双写这一字母+ing get run swim put getting running swimming putting 三、动词现在分词的构成 只有一个元音字母及 紧跟其后只有一个 辅音字母 四、提示性词语： 1、now. Eg1. The children are playing games over there now. 2、Look! Listen! Eg1. Look! Some boys are swimming in the river. Eg2. Listen! Lucy is singing an English song in the classroom. 3、It is +具体的钟点。（提示后句） Eg1. It’s 6:30 in the morning. Li Lei is getting up. Eg2. It’s twelve o’clock. The students are having lunch at school. 4、Where is/are/am+主语？（提示后句） Eg1.-- Where is your father? –He is watching TV in the room. Eg2. –Where is Tom? –He is doing homework in the classroom. 5、上下文提示。 Eg1. What are you doing? I am listening to music. 把下列动词变成现在分词 do write have go run read watch get swim clean doing writing having going running reading watching getting swimming cleaning 针对性练习：用所给动词的适当形式填空. 1.Look! The cat____________(run)up the tree. 2.The twins__________(have)breakfast now. 3.----___he ________(clean) the blackboard? ----No,he isn’t. 4.Tom__________(play)the piano in the room.Please ask him to come here. is running are having Is cleaning is playing 5.Listen! They ____________(sing) in the classroom. 6. It’s 6:30 in the evening. The Greens ____________(have) dinner. 7. Where is your brother? He _____________(s