Unit 4Don't eat in class.Don’t run.Do you know these signs(图标) of traffic rules(交通规则）?Run. Turn right.Don’t turn right.Do we have rules (规则）at school?Don’t run in the hallways.Can he run in the hallways? No, he can’t. What is the boy doing? Where is he running? be late for class = arrive late for class Why is he running in the hallways?He is late for class.Can we be late for class.No,we can't. Don’t arrive late for class. Don’t be late for class. Don’t eat in the classroom.Can she eat in the classroom? No, she can’t. Don’t listen to music in class.Can we listen to music in class?No, we can’t. Don’t fight .Can you fight in class？No, we can’t.祈使句：1.祈使句是表示命令、叮嘱、号召等的句子，2.通省略主语 you. 3.句中谓语动词用动词原形。4.祈使句有肯定和否定两种： Don’t eat in class.. Come in, please! 请进！ Sit down, please！ 请坐！ Don’t fight .否定：Don't +V原形+----肯定:V原形 +---Grammar祁使句Example: 肯定祁使句 否定祁使句Sit down.Come in.Eat at home.Listen to music outside.5. Do your homework at school.Don’t sit down.Don’t come in .Don’t eat at home.Don’t listen to music outside.Don’t do your homework at school.Gramma |
