内容正文:
仁爱英语七下Unit12语法
形容词变副词(-ly后缀) & 并列连词and/but/or
一、语法1:形容词变副词(The suffix -ly)
1. 概念与作用
形容词用来修饰名词或代词,副词用来修饰动词、形容词或其他副词。
大部分形容词加后缀-ly可以变成副词,用来描述动作的方式或状态。
2. 常见变化规则
形容词类型
变化规则
例词
一般形容词
直接加-ly
quiet → quietly; quick → quickly
以y结尾且y前为辅音
变y为i,再加-ly
happy → happily; easy → easily
以le结尾
去e加-y
gentle → gently; possible → possibly
以ic结尾
加-ally
basic → basically; historic → historically
特殊变化
不规则变化
good → well; true → truly
3. 核心用法
修饰动词:He runs quickly.(他跑得快)
修饰形容词:She is extremely happy.(她非常开心)
修饰副词:He finished the work very carefully.(他非常仔细地完成了工作)
二、语法2:并列连词and/but/or
1. 概念与作用
并列连词用来连接两个或多个并列的单词、短语或句子,体现不同的逻辑关系。
2. 用法详解
连词
逻辑关系
例句
and
并列/顺承,表“和、并且”
I like apples and bananas.(我喜欢苹果和香蕉) We sang and danced at the party.(我们在派对上又唱又跳)
but
转折,表“但是”
He is young, but he is very clever.(他很年轻,但很聪明)
We tried our best, but we lost the game.(我们尽了全力,但还是输了比赛)
or
选择,表“或者;否则”
Do you want tea or coffee?(你想要茶还是咖啡?)
Hurry up, or you’ll be late.(快点,否则你会迟到)
3. 易错点提示
and用于肯定句,否定句中表示并列用or:
✅ I like apples and bananas.(肯定句)
✅ I don’t like apples or bananas.(否定句)
or在疑问句中表示选择,在祈使句后表示“否则”:
✅ Would you like tea or juice?(选择)
✅ Be careful, or you’ll fall.(否则)
三、练习题
基础题一:形容词变副词
1. He reads___________ (careful) every morning.
2. She smiled___________ (happy) when she saw her friend.
3. It is raining___________ (heavy) outside.
4. Please speak___________ (quiet) in the library.
5. The little boy ran___________ (quick) to catch the bus.
6. They finished the work___________ (easy) with our help.
7. He looked at me___________ (angry) and said nothing.
8. She sings___________ (beautiful) in the school choir.
9. We should think___________ (careful) before making a decision.
10. The old man walked___________ (slow) across the street.
基础题二:并列连词and/but/or
11. I like playing basketball___________ swimming.
12. He is very tall,___________ he can’t play basketball well.
13. Do you want to go to the park___________ stay at home?
14. She is tired___________ happy after the long trip.
15. Hurry up,___________ you’ll miss the train.
16. I like apples___________ bananas,___________ I don’t like oranges.
17. He is good at math___________ English.
18. The movie is interesting,___________ it is too long.
19. Would you like tea___________ coffee?
20. We studied hard,___________ we passed the exam.
提升题:综合运用(10题)
21. The children played___________ (happy) in the park___________ they didn’t want to go home.
22. She speaks English___________ (fluent)___________ she can talk with foreigners easily.
23. He ran___________ (fast),___________ he still missed the bus.
24. Please listen___________ (careful)___________ you’ll understand the lesson.
25. The food is___________ (delicious)___________ we ate a lot.
26. Do you want to go shopping___________ watch a movie this weekend?
27. He worked___________ (hard)___________ he finished the project on time.
28. The book is interesting,___________ it is a little expensive.
29. She sang___________ (beautiful)___________ everyone clapped for her.
30. You can choose to stay___________ leave,___________ you have to decide now.
拓展题:语篇填空
Last weekend, we went to the countryside. The weather was warm (1)_________ sunny. We walked (2)_________ (slow) along the path (3)_________ enjoyed the fresh air. We saw some birds singing (4)_________ (happy) in the trees. We wanted to take photos, (5)_________ we forgot to bring the camera.
四、答案与解析
基础题一:形容词变副词
1. carefully 解析:修饰动词reads,用副词形式。
2. happily 解析:happy以y结尾,变y为i加-ly。
3. heavily 解析:heavy以y结尾,变y为i加-ly。
4. quietly 解析:直接加-ly。
5. quickly 解析:直接加-ly。
6. easily 解析:easy以y结尾,变y为i加-ly。
7. angrily 解析:angry以y结尾,变y为i加-ly。
8. beautifully 解析:直接加-ly。
9. carefully 解析:直接加-ly。
10. slowly 解析:直接加-ly。
基础题二:并列连词and/but/or
11. and 解析:并列关系,连接两个爱好。
12. but 解析:转折关系,“高但球打得不好”。
13. or 解析:选择关系,“去公园还是待在家”。
14. but 解析:转折关系,“累但开心”。
15. or 解析:“否则”,祈使句后表警告。
16. and; but 解析:第一空并列,第二空转折。
17. and 解析:并列关系,“擅长数学和英语”。
18. but 解析:转折关系,“有趣但太长”。
19. or 解析:选择关系,“茶还是咖啡”。
20. and 解析:顺承关系,“努力学习并且通过考试”。
提升题:综合运用
21. happily; and 解析:第一空修饰动词played,用副词happily;第二空并列关系。
22. fluently; and 解析:第一空修饰动词speaks,用副词fluently;第二空顺承关系。
23. fast; but 解析:第一空修饰动词ran,用副词fast;第二空转折关系。
24. carefully; and 解析:第一空修饰动词listen,用副词carefully;第二空顺承关系。
25. delicious; and 解析:第一空形容词作表语;第二空顺承关系。
26. or 解析:选择关系,“购物还是看电影”。
27. hard; and 解析:第一空修饰动词worked,用副词hard;第二空顺承关系。
28. but 解析:转折关系,“有趣但贵”。
29. beautifully; and 解析:第一空修饰动词sang,用副词beautifully;第二空顺承关系。
30. or; but 解析:第一空选择关系;第二空转折关系。
拓展题:语篇填空
1. and 解析:并列关系,“温暖且晴朗”。
2. slowly 解析:修饰动词walked,用副词。
3. and 解析:并列关系,“走路并且享受空气”。
4. happily 解析:修饰动词singing,用副词。
5. but 解析:转折关系,“想拍照但没带相机”。
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