(共13张PPT)
Review of Units 4
语法复习
Unit4
Ⅰ.祈使句
定义: 用于表达命令、请求、劝告、警告、禁止等的句子叫__________句。
时态: 使用______________时态。
结构: 动词原形+其他成分+ please. 否定祈使句在动词原形前面加__________ 。如:
Be quiet in the classroom, please.
在教室里请保持安静。
Don't fight. 不要打架。
祈使
一般现在
Don’t
Ⅱ.情态动词have to 和must
1.情态动词have to和must都表示“__________”的意思。have to 表示从__________条件上来看必须做某事;must表示说话人 ______必须要做某事。如:
There is no bus, you have to walk home.
(没有公交车是客观条件)
没有公共汽车,你必须走回家。
I must study English well. (想学好英语是一种主观想法)
我必须要学好英语。
必须
客观
主观上
have to有__________、__________和__________的变化,而must 只有一种形式。如:
He has to stay at home, it's raining.
他必须待在家中,下雨了。
3.在否定结构中don't have to表示“__________”, 而mustn't表示“__________”。如:
You don't have to wait for him. 你没必要等他。
You mustn't play with fire. It's dangerous.
你禁止玩火。那很危险。
人称
数
时态
不必要
禁止
重点词汇拓展
rule(复数) rules
2. hallway(复数) hallways
3. listen(现在分词) listening
4. fight(现在分词) fighting
5. outside(反义词) inside
6. wear(同音词) where
7. important(反义词) unimportant
8. bring to(反义词)take to
9. uniform(复数) uniforms
10.out(反义词 in
11. before(反义词) after
12. dirty (反义词) clean
13. noisy(反义词) quiet
14. relax(形容词) relaxing / relaxed
15. terrible(副词) terribly
16. luck(形容词) lucky
重点短语回顾
1. dining hall 餐厅
2. listen to 听
3. in class 上课
4. in the dining hall在餐厅
5. don‘t arrive late for… =be not late for... 不要到……迟到
6. a lot of 许多,大量
7. be quiet=keep quiet安静
8. wear a hat /the school uniform
穿着帽子/穿着校服
9. bring …to… 带……到(给)……
10. be on time for…… 准时(按时)做……
11. have to/has to 不得不
12. don't (doesn’t) have to do …
=needn’t....不必做……
13. go out 外出(娱乐)
14. do the dishes=wash the dishes 清洗餐具
15. practice the guitar
=practice playing the guitar练习弹吉它
16. help sb. (to) do sth. 帮助某人做某事
17. on school nights在夜自习,在晚上上课 18. before dinner 晚饭前
19. every Saturday /morning每周六/每天上午
20. make (one‘s) bed 铺床
21. make breakfast 做早餐
22. follow the rules 遵守规则
23. be strict with+人 对某人要求严格
24. be strict in+事情 对某事要求严格
25. too many+可数名词(复数) 大多的……
26. leave +物品+in the kitchen
把某东西忘放在厨房
27. be noisy 吵闹,发出噪音
28. What can I do 我该怎么办呢?
29. think about 考虑,思考
30. read a book 看书
31. make rules to do…制定规章来做…… 32. good luck! 祝你好运!
33. at home 在家
34. learn to do... 学习做……
35. have fun 过得高兴,玩得愉快
36. keep + 宾语+形容词 使……保持某种状态 37. keep one’s hair short 某人留短发
38. get sth.for sb. 替某人拿某物
39. want sb. to do… 想某人做……
40. It's best to do… 做……是最好的。
短语速记
1.follow(keep) the rules
2.break the rules
3.be(arrive) late for school
4.listen to the teacher
5.fight with him
6.play outside
7.wear a uniform
8. keep(be) quiet
9.do the dishes
10.arrive in(get to) Zaoyang
11.Good luck.
12.feel lucky
13.keep healthy
1.遵守规则
2.违反制度
3.上学迟到
4.听老师讲
5.与他打架
6.在外面玩
7.穿制服
8.安静
9.清洗餐具
10.到达枣阳
11.祝你好运。
12.感到幸运
13.保持健康
14.some hair
15.three white hairs
16.learn from Lei Feng
17.learn to follow the rules
18.eat in class
19.have to(must) be on time
20.on school days
21.every 20 minutes
22.make(cook) breakfast
23.too many rules
24.before breakfast
25.at school
26.make rules
14.一些头发
15.三根白发
16.学习雷锋
17.学会守纪
18.在课堂上吃
19.必须准时
20.在上学日
21.每20分钟
22.做早饭
23.太多的规则
24.早饭前
25.在上学时
26.制定规则
27.practice speaking English
28.arrive at the shop
29.be strict with sb.
30.be strict in sth.
31.a relaxing story
32.remember to do sth.
33.remember doing sth.
34.the things I have to do
35.keep the room clean
36.keep watching TV
37.on school nights
38.get food for grandpa
39.It's best to do sth.
27.练习说英语
28.到达那商店处
29.对某人要求严格
30.对某事要求严格
31.一个使人轻松的故事
32.记得做某事
33.记得做过某事
34.我必须做的事情
35.保持房间干净
36.继续看电视
37.在上学的晚上
38.去给爷爷拿食物
39.最好做某事。
用法集萃
1. Don’t + 动词原形+其他, 不要做某事。
2. help sb. (to) do sth. 帮助某人做某事
3. too many + 可数名词复数 太多的……
4. practice doing sth. 练习做某事
5. be strict with sb. 对某人要求严格
6. be strict in sth. 对某事要要求严格
7. leave sth sp. 把某物忘在某地
8. keep + 宾语+形容词 使…保持某种状态
9. learn to do sth. 学会做某事
10. have to do sth. 不得不做某事
1. Don’t arrive late for class. 上课不要迟到。
2. Can we bring music players to school
我们可以带音乐播放器到学校吗?
3. And we always have to wear the school
uniform.
并且我们总是不得不穿校服。
4. There are too many rules! 有太多的规则!
5. Don’t leave the dirty dishes in the kitchen!
不要把脏盘子留在厨房里!
6. I have to keep my hair short.
我不得不留短发。
重点句子