【正文】
學(xué)習(xí)順口溜 be動詞用法: “ 我 ” 用 am, “ 你 ” 用 are, is 連 著 “他、她 、它 ” , 我們、你們、他們 都用 are 。s a book. He39。s reading a book play football playing football play basketball swim run Fill in the blanks.(填空) I like ________ football.(play, playing) She likes ________ basketball.(play, playing) He likes_________.( swim, swimming) We like_______.( run, running) playing playing swimming running She39。s reading a book. Unit 1 She39。re_______.( run, running) playing playing swimming running ***正在做什么? read reading a book watch TV watching TV take