（word完整版）改版后新目标七年级下册第四单元英语知识点总结 ，推荐文档

新目标七年级下册英语知识点总结 Unit4 Don’t eat in class! 一、词组、短语

1. 祈使句是指动词原形开头, 表达命令或祈求的句子。 其否定句是在句首加 don’t 构成。

2. arrive 到达,抵达

arrive at + 小地点 arrive at school 到达学校 arrive in + 大地点 arrive in Beijing 到达北京

get to + 地点 get to Beijing 到达北京 get home 到家 get there 到那儿 reach + 地点 reach Beijing 到达北京 reach home 到家 get 、 arrive 后接副词是,介词省略。 3. be late for + 名词 ??迟到

He was late for school. 他上学迟到了。 4. outside (外面 ---- inside(里面 5. dining hall 餐厅,饭厅

6. in /at school 在上学,在求学 in the school 在学校里 7. have to do sth不得不做某事 8. on school nights 上课期间的晚上

9. too many + 可数名词 “ 太多 ” too many books 太多的书

too much + 不可数名词 “ 太多 ” too much homework 太多的家庭作业 10. No smoking! = Don’t smoke! 请勿吸烟! No food! = Don’t eat food! 禁止吃东西!

No + 名词(短语或动词 -ing 形式,表示 “ 不许,不可,不能 ” 11. later 后来,以后

12. by “在?? . 以前,到??为止”

I should finished homework by tomorrow.在明天之前我应该把作业做完。 13. be in bed “睡觉,卧床” in bed “卧病在床” in the bed “在床上” go to bed “上床睡觉”强调动作 二、重点句型

1.Don’t arrive late for school=Don’t be late for school 2.Don’t fight 3.Don’t listen to music in the classroom.

4.Don’t run in the hallways5.Don’t smoke .It’s bad for your health.

6.Don’t play cards in school7.Don’t talk in class8.Don’t watch TV on school nights. 9.Don’t sleep in class.10.Don’t play sports in the classrooms. 11.Don’t sing songs at night.12.Don’t talk when you eat. 13.Don’t wear hats in class.14.Do homework by 10:00. 15.Clean your house!16.Make the bed.

17.Can we ……? Yes ,we can . No, we can’t.Eg: Can we arrive late for class ?

No, we can’t. We can’t arrive late for class.

18.Do you have to wash your clothes? Yes, I do./No, I don’t. 三、重点句子

1. Don’t arrive late for class.2. Don’t run in the hallways.3. Don’t eat in the classrooms. 4. Don’t listen to music in the classrooms or the hallways.5. Don’t fight.

6. What are the rules?7. Can we listen to music?

8. Do you have to wear a uniform at school?9. What else do you have to do ? 10. Don’t go out on school night.11. Practice your guitar every day . 12. I have too many rules in my family.

13. I can’t meet my friends after school because I have to do my homeworkl 14. I have to be in bed by ten O’clock.15. I have to help my Mom make dinner. 16. Later , I have to go to the Children’s Palace to learn the piano. 17. I never have any fun, what can I do? 四、重难点精析 祈使句

通常用来表示命令、请求、禁止、建议、警告等语气。它的主语 you(听话人 通常省略。 其构成通常有以下几种形式。

1Be 型(即系动词原型 be+表语+其他 。 如:Be quiet,please. 否定句 Don’t + be+表语 +其他。 如:Don’t be angry.

2Do 型(即系动词原形+宾语+其他 。如:Open you books,please.

否定句 Don’t +实义动词原形 +宾语 +其他。 如:Don’t eat in the classroom. 3Let 型(即 Let+宾语 +动词原形 +其他如:Let me help you. Let’s go at six o’clock. 否定句一般在宾语后加 not 。如:Let’ not watch TV.

4No+V-ing型(此种形式通常用于公共场合的提示语中,意为 “ 禁止做某事 “ 如: No smoking! 严禁吸烟! No talking! 不许交谈! No passing! 禁止通行! No parking! 不 许停车

重难点解析:

1. 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。

(1结构:主语+have to+动词原形+其他 (一般现在时,主语是第三人称单数时,用 has to 如:在体育课上,我们必须穿运动鞋。

We _____________________sneakers _________ gym class. 汤姆每天必须练习弹吉它。

Tom _____________________every day. (2否定形式:主语+don't have to+动词原形+其他 (一般现在时,主语是第三人称单数时,用 doesn't have to. 如:Nick ____________________uniform. 尼克不必穿制服。