4、理解词类转化
在英语中，不少词可以属于几个词类，如water( 水、浇水;名词和动词);work(工作;动词和名词)，fast(快;形容词和副词)，since(自从;介词和连词)等。
巩固练习
① 根据句意补全单词中所缺字母，使补全后的句子通顺、合理。
l. What colour is Ann's skirt? It's r____d.
2.We often play g____mes after school.
3.Put your r____ler and your pen in the pencil-box.
4.My parents work f____ ve days a week.
5.There are a lot of cars and buses in the str____t.
6.Don't open the wind ____ . It's cold outside.
7.How do you usually go to school? By b__ k __.
8.There are a lot of flowers in the g __ d ___.
9.Winter comes after a ___ n.
10. Trees turn gr___n in spring.
11. L__sson One is easy.
12. Can you make a c__ke?
13. This box is small. Give me a b__g one.
14. A d__g is running after a cat.
15. We cl___n the classroom every day.
② 根据句子意思完成单词，单词的第一个字母已给出
1.If you are ill , you must go to h_______ .
2.We all know Beijing is the c_______ of China .
3.D________ ,25th is Christmas Day .
4.We can see s________ at night when it's fine .
5.You can come here b_______ 8:00 and 9:00 tomorrow .
6.I hope you have a good time on you j______ .
7.Could you tell me w_______ the nearest post office is ?
③ 根据句意用括号内所给单词的适当形式填空
1.There are two ________in the basket. (egg)
2.This is my pencil. That one is ________. (your)
3.Who is _______, Tom, Mike or Jack ? (tall)
4.We live on the ______ floor. (twenty)
5. I can see three _______ on the desk. (pen)
6. This room is _______. It isn't yours. (our)
7. “Can I borrow your ruler?” “Certainly. Here _______ are.” (your)
8. Lin Lin is the ______ in our class. (young)
9. We live on the _______ floor. (seven)
10. Li Lei is _______ than Lin Tao. (old)
11. The Changjiang River is the _______ river in China. (long)
12.Wei Hua gave me two______ yesterday.(book)
13.That pen isn't yours. It's ______ .(her)
14.The ______ lesson is very easy.(six)
15.John is ______ than Sam.(tall)
16.Can you help ______ with my English? (I)
④ 根据汉语提示完成句子
1、我用了两个小时修车。
It _______ me two hours _______ _______ the bike.
2、直到妈妈回来时，他才完成作业。
He ______ finish his homework _______ his mother came back.
3、他和我都不是老师。
______ he _______ I am a teacher.
4、他从小就对数学感兴趣。
He became ________ in maths when he was ________.
5、你最好乘火车。
You'd _______ ______ a train.
6、是时候上车了。
It's time to ______ ______ the bus.
7、珠江是中国的第三最长的河流。
Zhujiang river is _______ _________ __________ __________ in China .
巩固练习参考答案
① 根据句意补全单词中所缺字母，使补全后的句子通顺、合理。
1. red 2. games 3. ruler 4. five 5. street 6. window 7. bike 8. garden 9. autumn 10. green 11. Lesson 12. cake 13. big 14. dog 15. clean
② 根据句子意思完成单词，单词的第一个字母已给出
1. hospital 2. capital 3. December 4. stars 5. between 6. journey 7. where
③ 根据句意用括号内所给单词的适当形式填空
1. eggs 2. yours 3. the tallest 4. twentieth 5. pens 6. ours 7. you 8. youngest 9. seventh 10. older 11. longest 12. books 13. hers 14. sixth 15. taller 16. me
④ 根据汉语提示完成句子
1. took, to mend/ repair/ fix
2. didn’t, until
3. Neither, nor
4. interested, young
5. better take
6. get on
7. the third longest