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课件网) 现在进行时态 知识梳理 一、现在进行时的用法 现在进行时表示现在正在进行或正在发生的动作,也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。句型结构是: be+ving形式(现在分词)。 标志时间词:now,look,listen,over there,look at,It’s+时间等。 Video import Video import 二、现在分词的变化规则 1.一般情况下,在动词词尾加ing。 如:go—going, play—playing, eat—eating 2. 以不发音的字母e结尾的动词,去e再加ing。 如:write—writing, come—coming, take—taking 3. 以重读闭音节结尾,且词尾只有一个辅音字母的动词,双写最后这个辅音字母再加ing。 如:run—running, swim—swimming, shop—shopping 4. 以ie结尾的动词,将ie改为y, 再加ing。 如:die—dying, lie—lying 三、现在进行时的句型结构 1.肯定句: 主语+be动词(am / are / is)+v+ing+其他. 如:I am washing my hands now. Look! Jack is listening to music. Tom and his brother are doing their homework. It is nine o’clock. The children are having class. 2. 否定句:主语+be动词(am / are / is)+not+v+ing+其他. 如:I am not (I’m not) washing my hands now. The children are not(aren’t) playing over there. It’s six past ten. Tom is not (isn’t) having dinner. 3.一般疑问句:Is / Are / Am+主语+v+ing+其他? 如:—Are you watching TV now —Yes, I am. / No, I am not. —Is the girl playing the piano —Yes, she is. / No, she isn’t. —Are the children swimming in the river —Yes, they are. / No, they aren’t. 4. 特殊疑问句: 特殊疑问词+一般疑问句? 如:I am watching TV now. → What are you doing now Uncle Wang is drinking tea in the living room. → Where is Uncle Wang drinking tea 考点精析 考点1 考查现在进行时的用法 【例1】 用所给动词的适当形式填空。 1. She (draw) a map now. 2. Listen! The boys (sing). 解析:本题考查填动词的适当形式,必须要弄清楚句子的时态。第1小题中的时间词now,第2小题中的Listen 都表示动作正在发生,都要用现在进行时;同时,注意v+ing 之前一定要根据主语的形式加上相应的be动词。 答案:1. is drawing 2. are singing 举一反三 1. 写出下列动词的现在分词形式。 (1) sing _____ (2) dance _____ (3) write _____ (4) shop _____ (5) put _____ (6) die _____ 2. 单项填空。 ( )(1) Mum and I housework now. A. doing B. am doing C. are doing ( )(2) All the people a football match. Everybody is excited. A. watch B. is watching C. are watching ( )(3) they their stamps at the corner? A. Does; show B. Are; showing C. Do; showing dying singing dancing writing shopping putting C C B 考点2 考查有关现在进行时句子的句型转换 【例2】按要求改写下列句子。 1. Sarah is answering the phone. (改为否定句) _____ 2. They are riding a bike. (就画线部分提问) _____ 3. She cleans her desk in the classroom.(改为现在进行时) _____ 解析:本题考查现在进行时的句型转换,要以be动词为中心进行变化。第1小题改否定句,只要在be动词之后加not; 第2小题是对进行时状态下的活动提问,用“What … doing ”,注意be动词要与主语的数保持一致。第3小题要将原句中的谓语动词换成“is+现在分词”,因为这才是现在进行时的正确形式。 ... ...