Welcome to the unit Reading Vocabulary Grammar
需要掌握的詞匯
pet, parrot, rabbit, hold, feed, carrot, chase, wide, hunt, hide, trick, build, camp, stick, bite, end, trouble, anywhere, middle, open, drawer, empty, care, ring, doorbell, feather, wing, knock, cage, pull, brush, frighten, once, clean
重點(diǎn)難點(diǎn)詳解
1. 名詞復(fù)數(shù)的不規(guī)則變化
名詞單數(shù)與復(fù)數(shù)同形。如：fish deer（鹿） sheep
只有復(fù)數(shù)形式，沒(méi)有單數(shù)形式的名詞。如：clothes people trousers
不規(guī)則變化的名詞復(fù)數(shù)形式。如：mouse-mice child-children
以o 結(jié)尾的名詞有的加s 有的加es 。如：tomato-tomatoes potato-potatoes mango-mangoes mosquito-mosquitoes radio-radios piano-pianos photo-photos kilo--kilos
以oo結(jié)尾的加s zoo-zoos kangaroo-kangaroos
2. 情態(tài)動(dòng)詞 should , ought to , must
should “應(yīng)該” 否定式為should not/shouldn’t， 疑問(wèn)句形式是將 should移至主語(yǔ)之前。如：
You should look after yourself.
He shouldn’t be so careless.
What should we do ?
ought to “應(yīng)該” 意思與should 相近，ought to 著重客觀的情況，語(yǔ)氣比should強(qiáng)， 帶有責(zé)備或督促的意思，否定式為ought not to， 疑問(wèn)句形式是將ought 移至主語(yǔ)之前；should側(cè)重自己主觀的看法，表示義務(wù)、責(zé)任。如：
We ought to go and see Kate sometime next week.
Ought we to answer the question now?
You ought not to smoke so much.
Must“必須”否定式為mustn’t，表示禁止，疑問(wèn)句形式是將must移至主語(yǔ)之前，其否定回答常用needn’t或don’t have to，表示“不必”，“無(wú)須”。must還可以表示非常肯定的猜測(cè)，只用于肯定句中。如：
I must study hard and catch up with my classmates.
---Must we finish the work at once?
---No, you needn’t.
You must be very tired.
3. 祈使句 表示命令、請(qǐng)求或指示的句子叫祈使句， 謂語(yǔ)動(dòng)詞用原形，省略主語(yǔ)you。祈使句的 否定結(jié)構(gòu)是在肯定結(jié)構(gòu)前加don’t。如：
Sit on the chair, please.
Don’t read in the sun, Tom.
Be quiet! Mum is sleeping.
Don’t be late again next time.
Let’s not go fishing.
Do come early tomorrow. （加助動(dòng)詞do 用來(lái)加強(qiáng)語(yǔ)氣。）
4. chase =run after v. n. 追趕，追逐
Look, the cat is chasing the mouse.
Chase the chickens out of the garden.
After a long chase, they caught the robbers.
5. catch v.抓住，趕上，染上（疾�。�
The early bird catches the worm.
We wanted to catch the early train, but failed.
Put on more clothes , or you may catch cold.
6. hunt v. 搜尋，打獵，可與for, out, up等介詞、副詞連用。
I’m hungry. Let’s hunt for something to eat.
You ought to hunt up the word in the dictionary.
Did he go hunting with you?
7. build…（out ） of… 用……建造的
People there built their houses out of stone.
The bridge is built of wood.
8. trouble n.麻煩的人或事 v. 麻煩
What’s your trouble?
Don’t laugh at those in trouble.
I’m sorry to trouble you.
9. care v. 介意，在意
They might fail, but they didn’t care.
He didn’t care about all this.
10. There is something wrong with ……. ……出毛病，有問(wèn)題。
=Something is wrong with……
There is something wrong with my watch.
Is there anything wrong with the camera?
11. It’s + n./adj. + to do something
It’s a good idea to clean the fish tank today.
Is it necessary to learn more about how to look after the dog?
It’s very important not to give the goldfish too much food.
【典型例題】
1. _______ goldfish _______ is bad for it.
A. Feed, much too B. Feeding, much too
C. Feed, too much D. Feeding, too much
2. ---What’s wrong with you? ---I feel ________. I heard a _______ noise just now.
A. frightening, frightened B. frightening, frightening
C. frightened, frightening D. frightened, frightened
3. You should keep ______ in the library.
A. quite B. quiet C. quietly D. be quite
4. Tim plays with his pet for _______ every day.
A. some time B. sometimes C. sometime D. some times
5. It’s necessary for us _______ with them every day.
A. walking B. walk C. walks D. to walk
答案：1. D 2. B 3. B 4. A 5. D
【模擬試題】（答題時(shí)間：20分鐘）
一、詞組翻譯
1. 向某人問(wèn)好
2. 應(yīng)該更禮貌
3. 彩色的羽毛
4. 最聰明的動(dòng)物
5. 四處尋找他的兔子
6. 追趕猴子
7. 敲門
8. 黑白相間的爪子
9. 忙于工作
10. 全世界
11. 照看鸚鵡的正確方法
12. 有足夠的時(shí)間
二、改寫句子
1. You mustn’t speak to the old like that.（改為祈使句）
______ ______ to the old like that.
2. I like fruit best.（ 改為同義句）
Fruit is ______ ______.
3. I think the rain will stop tonight.（改為否定句）
I _____ _____ the rain _____ stop tonight.
4. What a kind girl! （改為同義句）
______ ______ the girl is!
5. Must we take good care of the little sheep?（作否定回答）
No, ______ ______.
三、完成句子
1. 我們每周至少應(yīng)該喂它兩次蔬菜。
We ______ ________ ______ _______ ________ _______ _______ a week.
2. 不要再粗心了。
Don’t_______ _______ _______ _________.
3. 你們不應(yīng)該嘲笑別人。
You ______ ______ ______ laugh at others.
4. 他是所有人中最矮的。
He is _______ _______ _______ _______.
5. 保持健康很重要。
It’s _______ ______ _______ _______.
【試題答案】
一、1. say hello to sb.
2. ought to be more polite
3. colourful feathers
4. the cleverest animal
5. look around for his rabbit
6. run after the monkey
7. knock on the door
8. white and black paws
9. be busy at work
10. all over the world
11. the right way to look after the parrot
12. have enough time
二、1. Don’t speak 2. my favourite 3. don’t think, will 4. How kind 5. you needn’t
三、1. should feed it vegetables at least twice
2. be careless any more
3. ought not to
4. the shortest of all
5. important to keep healthy