What day is today?,Lesson 4,看图说话,run,跑步,Tuesday,on,星期二,在,Monday,on,Wednesday,on,Thursday,on,星期四,jump rope,run,jump rope,Tuesday,Monday,星期四,Thursday,Wednesday,复习,系动词：,I 是am很特殊,单数第三人称是is,复数和You 都用 are,am is are,The girls are piaying vollyball.,现在进行时：,主语+系动词+动词的现在分词,play with a yo-yo .,Li Dong is playing with a yo-yo.,Li Dong,ing,Li Shan is jumping rope.,jump rope,ing,Li Shan,The boys are playing basketball.,play basketball,ing,The boys,jump rope,run,Tuesday,Monday,Thursday,Wednesday,星期四,1、Li Shan is (play playing) football.,2、They (is am are )jumping rope.,3、She (is am are )playing ping-pong.,4、Lets (going go) and join them.,5、We play games (in on )Tuesday.,练习,1、玩某种玩具前用介词 with,2、在星期几的前用介词 on,