Unit 2 My Favorite School SubjectLesson 9: Don't be late for classTeaching aim: 掌握词汇及短语:subject, art ,hope, show, sometimes, start, hurry, late, be good at, be late for 识别词汇及短语:painting, painter, timetable, in two minutesteaching time : one classteaching resources: 录音机,幻灯片,卡片,挂图language points:1 Don't be late for class!上课别迟到句型是否定祈使句.因为late是形容词,所以前面必须加be .be late for sth. "干某事迟到".例如:He was late for school yesterday..