初中英语人教版七年级下册sectionA 1a-2d.ppt

Unit 4 Section A Period 1 (1a-2d) Do you know the meanings of the following signs? No talking! No walking! No?fire! * No?smoking! Emergency Exit Wet Floor Nothing can be accomplished without norms or standards. 无规矩不成方圆。 We always say: Do you know the places that have rules? And what rules do you know? school rules class rules family rules library rules dining rules 校规 班规 图书馆规则 就餐规则 家规 keep rules break rules 遵守规则 违反规则 Living in the society, we have to we can’t What can we do at school? What can’t we do at school? be late for class = arrive late for class A: Can we be late for class? B: No, we can’t. We can’t be late for class. Don’t be late for class. Don’t eat in the classroom. A: Can we eat in the classroom? B: No, we can’t. We can’t eat in the classroom. We can eat in the dining hall. A: Can we eat in the dining hall? B: Yes, we can eat in the dining hall. . A: Can we run in the hallways? B: No, we can’t. We can’t run in the hallways. Don’t run in the hallways. A: Can we listen to music in class? B: No, we can’t. We can’t listen to music in class. Don’t listen to music in class. A: Can you fight? B: No, we can’t. We can’t fight. Don’t fight. can 能，能够 （表示许可） —Can I sit here? ????—No, you can’t.  我可以坐这儿吗？???? 不, 你不能。 can 能，会 （表示能力） —Can you play basketball? ???? —Yes, I can. 你会打篮球吗？ 是的, 我会。 1a Which rules are these students breaking? Write the number of the rule next to the student. SCHOOL RULES 1. Don’t arrive late for class. You must be on time. 2. Don’t run in the hallways. 3. Don’t eat in the classroom. You must eat in the dining hall. 4. Don’t listen to music in class. 5. Don’t fight. 祈使句 1.祈使句是表示命令、叮嘱、号召等的句子; 2.通常省略主语you; 3.句中谓语动词用动词原形;（am,is,are的动词原形是be） 4.祈使句有肯定和否定两种： Don’t eat in class. Don’t play sports in the classroom. Don’t fight. Come in, please! 请进！ Sit down, please. 请坐。 　 否定 肯定 肯定祈使句