初学现在进行时讲解.ppt

三、动词的现在分词变化规则 1. do-- watch-- read-- eat-- play -- 2. dance-- write-- 3. run-- swim-- 现在分词的变化规则 练一练 ?用括号中动词的适当形式填空：? 1.?My?parents?____ _______（watch）TV?now.? 2.?Look.?Three?boys?_____ _____ （run）.? 3.?What?_____your?mother?_____（do）?now?? ?4.?_____your?dog?_______?now?（sleep）? ?5.?--___ you?_______（listen）?to?music?? --Yes, I am. 选择填空：? （????）1.?Who?______?in the room?now?? ?A.?singing????B.?sing????C.?is?singing? （????2.?It’s?nine?ten.?They?______?a?music?class.? ? A.?have????B.?having????C.?are?having? （????）3.?Listen!?The?boy________. ?A.?crying????B.?is?crying????C.?cries? （????）4.?Don’t?talk?here.?Grandparents?______.? A.?sleep????B.?is?sleeping????C.?are?sleeping? （????）5.?Is?the?man?_______?milk?? ?A.?drinks????B.?drink????C.?drinking * We are having a class. We are having an English class. What are we doing now? What class are we having now? 现在进行时 She read is ing now. He play football is ing now. He do his homework is ing now. He eat is ing now. 一、概念（用法） 1. 表示现在（说话瞬间）正在进行或发生的动作。 如：He is watching TV now. 现在他正在看电视。 2.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：I’m reading a book this week. 这一周我在看一本书。 二、构成 动词现在分词 助动词be 随人称变为 am, is, are be + 动词-ing doing watching reading eating playing running swimming dancing writing getting running swimming putting get run swim put 重读闭音节结尾，末尾只有一个辅音字母的，双写这一字母，再+ing writing taking dancing write take dance 以不发音的e结尾的，去e，+ing doing asking do ask 一般在动词原形后+ing 1.音节是读音的基本单位。一般来说，一个元音音素可构成一个音节，一个元音音素和一个或几个辅音音素结合也可以构成一个音节。 如：congratulation祝贺[k?n gr? t?u le? ?n]2.音节按读音可以分为开音节和闭音节。 1.闭音节：指元音字母后面有辅音字母（辅音字母r除外）构成的音节，如：leg, cross 2.重读闭音节： 指在双音节或多音节词中有一个发音特别响亮的音节，叫重读音节，用重音符号“ ‘ ”标于相应位置，其他音节为非重读音节，如begin /bi ’ gin/; 单音节词作重读处理，但不