- 考点总结
- 中考链接
基本句型
Don’t eat in class不要在教室里吃东西。
Can we wear hat? 我们能带帽子吗? Yes, we can是的,我们可以。
We don’t have to wear a uniform.我们没必要穿制服。
考点解析
情态动词have to 的用法,意思是"必须、不得不",它侧重于客观上的必要和外界的权威。结构:主语+have to+动词原形+其他
We have to wear sneakers for gym class. 在体育课上,我们必须穿运动鞋。
Tom has to practice the guitar every day. 汤姆每天必须练习弹吉它。
I had to get up at 5:00 am last Monday. 上周一,我不得不早上5点起床。
don't have to+动词原形+其他(表示不必的意思 )
如:Nick doesn't have to wear a uniform. 尼克不必穿制服。
Do you have to stay at home on weekends? 周末你必须呆在家里吗?
Yes, I do. / No, I don't.是的,我必须。不,我不必。
情态动词can的用法
(1)表示能力,"会""能"(在第一册中已经学习这种用法)
(2)表示允许、许可,"可以"、"能"(在这一课中新学的词义)
Can the students run in the hallways? 学生们可以在走廊上跑吗?
We can eat outside. 我们可以在外面吃东西。Can I come in? 我能进来吗?
be in bed "在床上、卧床"in 和bed之间不能用冠词,bed也不用复数。
He is in bed for 10 years. 他卧床10年了。
Dave has to be in bed early every night.大卫每晚必须很早睡觉。
arrive late for 与be late for 意思相近,"迟到"Don't arrive (be)late for school. 上学别迟到。I arrived (was)late for the meeting yesterday. 我昨天开会迟到了。
No talking ! "禁止交谈!"no后面加上名词或动名词(doing)也表示不要做某事。
与don't +do的用法相似。No wet umbrellas! / Don't put wet umbrellas here! 禁止放湿雨伞!
No food! Don't eat food here! 禁止吃食物!No smoking! Don't smoke here! 禁止吸烟!
基础语法:祈使句
祈使句是用来表示请求、命令、叮嘱、号召或者劝告等的句子,这类句子的主语常是第二人称you,也就是听话者,因而you常省去了。祈使句的开头是动词原形。
如:Look out! 小心!Wait here for me! 在这等我!
Be sure to come here on time! 务必准时来到这里!
祈使句的否定形式多以do not(常缩写成don't)开头,再加上动词原形。
Don't arrive late for school. 上学别迟到。Don't fight! 别打架!Don't look out of the window. 不要向窗外看。