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Unit1Heisplayingthesuona,butthephonerings.MengyuanPrimarySchoolYangXiaolingThesunisshining.I’mreadingabook.Theyareswimming.现在进行时态基本形式：主语+be（am/is/are）+动词ing表示正在发生的事情或动作，常与look，now连用。I用am，you用are，is跟着he/she/it.要问复数（we/they/you）用什么，全部都用一个are。playbasketballplayfootballplaytabletennisplaytheviolinplaythegaiterplaythepianoNewwords:suona唢呐playthesuonaHeisplayingthesuona.ring响bell铃Thebellrings.loudly大声地What’shappening?1.Damingisplayingthesuona,butthephonerings.2.Damingisplayingthesuonaagain,butthebellrings.3.Damingisplayingthesuonaforthethirdtime,butthedogstartstobarkveryloudly.请同学们自己读对话，找出对话中含有“ing”的句子，然后比一比谁能看图用含“ing”的句子进行描述。观察下面几个句子有什么共同点？1.Damingisplayingthesuona,butthephonerings.2.Damingisplayingthesuonaagain,butthebellrings.3.Damingisplayingthesuonaforthethirdtime,butthedogstartstobarkveryloudly.1、一般现在时：表示经常发生的事情、动作或存在的状态。2、一般现在时动词作谓语时有两种情况：①动词原形；如play②第三人称单数形式；如plays结构：主语+行为动词+其他如：Weplayfootball.Heplaysfootball.Damingisplayingthesuona,butthephonerings.Damingisplayingthesuonaforthethirdtime,butthedogstartstobarkveryloudly.Damingisplayingthesuonaagain,butthebellrings.