（初中英语教学课件）unit 12.pptVIP

FOR EXAMPLE: A: What are the rules in your class B: Well, we can’t arrive late for class. C: Well, we can’t eat in the classroom. FOR EXAMPLE: A: Can we eat food in the classroom, Alex? B: We can’t eat food in the classroom, but we can eat in the dining hall. 2a Listening answers These items are checked: 1 2 3 5 6 7 Now Listen Click to it 2b Listening answers Can:6.listen to music in the music room 7.eat in the dining hall Can’t:1. listen to music in the hallways 2.eat in the classroom 3.wear a hat 5. fight 2b Pair work 2c Answer sports shoes classroom uniform 3a 　　have?to?v.?不得不,必须,后跟动词原形。强调客观需要;其过去式是had?to，将来时态的形式是shall/will?have?to.?口语中也常说have?got?to。它的特点是have有人称、时态的变化。 　　而must则表示主观愿望,主观看法，只能用于一般现在时和一般将来时。如： 　　We?must?finish?the?work?before?lunch. 　　我们必须在午饭前完成这项工作。 （强调有义务早完成工作，不要拖延。） 知识点 We?have?to?finish?the?work?before?lunch. （强调客观情况迫使，如不完成就会……是不得以而为之。） Would?you?like?to?come?to?my?house?on?National?Day? Thank?you,?I’d?love?to.?But?I?have?to?see?my?uncle?on?that?day. 你国庆节来我家好吗? 谢谢你,我很愿意,但是我那天得去看我的叔叔。 I’m?afraid?I?have?to?go?now.? 恐怕我得走了。（表示遗憾） I?must?go?now. 我必须走了。（主观看法） I?have?to?go?now. 我不得不走了。（客观需要） My?mother?was?ill?yesterday,?so?I?had?to?stay at?home.? 昨天我妈妈病了，所以我不得不呆在家里。 FOR EXAMPLE: A: Do you have a class rule in you school? B: Yes, I do. We can’t listen to music in the classroom. Pair work 3b Answer The rules should be lettered in this order: D A B C a c d b 1 祈使句 用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句，祈使句最常用于表达命令，因此也常称为命令句。 ? 　　祈使句因对象（即主语）是第二人称，所以通常都省略。祈使句的动词都为一般现在时，句末使用句号来表示结束。如： 祈使句也常把主语“You”表达出来，使对方听起来觉得柔和些，例如： 　　You go and tell him, Chris. （克立斯你去告诉他。） （1）Don’t run in the hallway. （2）Listen to music outside. （3）Don’t arrive late for class. （4）Let’s go and help him. 祈使句的句型结构 ●肯定结构: 1.Do型(即:动词原形(+宾语)+其它成分)。如: Please have a seat here. 请这边坐。　　有的祈使句在意思明确的情况下,动词可省略。如: This way, please. = Go this way, please