可数名词单.复数变化形式 (1)规则变化. ①单数名词词尾直接加-s.如:boy - boys, pen - pens. ②以s.x .ch .sh结尾的单词一般加-es.如:glass - glasses,box- boxes, watch - watches, brush - brushes. 特例:stomach - stomaches. ③以“辅音字母 + y 结尾的变“y 为“i 再加“-es .如: baby - babies, lady - ladies, fly - flies. ④以“o 结尾的多数加-es.如:tomato - tomatoes, potato - potatoes, hero - heroes.但以两个元音字母结尾的名词和部分外来词中以o结尾的词只加-s. 如:radio - radios, zoo - zoos, photo - photos, piano - pianos, kilo - kilos, tobacco - tobaccos. ⑤以“f 或“fe 结尾的名词复数形式变“f 或“fe 为“v .之后再加-es.如:wife - wives, life - lives, knife - knives, wolf- wolves, self - selves, leaf - leaves等.特例:handkerchief- handkerchiefs, roof - roofs, chief - chiefs, gulf - gulfs, belief - beliefs, cliff - cliffs. ⑥改变元音字母的.如:man - men, mouse - mice, foot - feet, woman - women, tooth - teeth, goose - geese, ox - oxen.特例:child - children. ⑦复合名词的复数形式.(A)在复合词中最后名词尾加-s.如:armchair - armchairs, bookcase - bookcases, bookstore - book- stores.(B)man和woman作定语修饰另一个名词时.前后两个名词都要变成复数.如:man doctor - men doctors, woman driver - women dri- vers.(C)与介词或副词一起构成的复合名词应在主体名词部分加-s.如:brother-in-law - brothers-in-law, passer-by - passers-by. ⑧有的名词有两种复数形式.如:zero - zeros .zeroes, deer - deers .deer.penny的两种复数形式含义有所不同.如:pence.pennies. (2)不规则变化. ①单.复数同形.如:means, aircraft, deer, fish, Chinese, Japanese, sheep, works,cattle. ②合成名词的复数.如:boy-friend - boy-friends, go-between- go-betweens.grown-up - grown-ups. ③有些名词通常只用作复数.如:glasses眼镜.clothes衣服.goods 货物.trousers裤子.belongings所有物,wages工资.riches财富, surroundings环境.ashes灰尘, campasses圆规.cattle家畜.congratulations祝贺.have words with sb. 同某人吵架.in high spirits以很高热情地.give one’s regards to sb.向某人问侯.in rags衣衫破烂.It is good manners to do sth.有礼貌做某事. ④集体名词的数.有些集体名词通常只用作复数.如:people, cattle, police; 有些名词只用作单数.如:machinery, furniture, mankind, jewellery;有些名词既可用作单数又可用作复数.单数看做整体.复数看做集体的各个成员.如:The crew is large.船员人数很多,The crew are all tired.船员们都累坏了. 查看更多

 

题目列表(包括答案和解析)

假如你们学校“英语爱好者俱乐部”将对“良好饮食习惯”这一话题进行讨论。请根据下列提示,用英语写一篇发言稿。内容要点应包括:

部分同学的饮食习惯

 良好的饮食习惯

个人看法

不吃早餐

爱吃零食

偏食

饮食过量 

饮食多样化

饮食定时定量 

有助于身体健康

。。。。。。

 

注意:1.发言稿必须包括所有内容要点,可适当发挥;

2.发言稿开头与结尾已为你写好,不计入总词数;

3. 词数:100左右.

4.参考词汇: 偏食be particular about food    零食 snack (可数名词)

friends,

        As we all know, we are what we eat. Therefore, it’s very important for us to form healthy eating habits.

______________________________________________________________________________________________________________________________________________________________

______________________________________________________________________________________________________________________________________________________________

                                                             That’s all. Thank you!

 

查看答案和解析>>

假如你是校学生会主席,为了更好地保护环境,你代表学生会向全校学生发出倡议。请根据以下内容,写一份倡议书:

1 保护环境是我们的职责。

2 我们要养成环保的习惯:(1)尽量步行上学或骑自行车上学(2)离开房间前关灯和其他电器

(3)不随地扔垃圾(4)节约用水

3 发出环保的号召。

注意:1 词数:120左右  2 可以适当增加细节,以使行文连贯

参考词汇:电器electrical applicance (可数名词)

Dear friends,

As we can see, the environment around us is getting worse and worse.

 Thank you!                        

                                         The students’ Union

查看答案和解析>>

用方框中的单词完成下列句子,有的单词可能不只用一次,必要时有的需要变化形式

1.My brother ________ learning maths.

2.Please ________ arguing this problem.

3.Have you ________ dressing yourself up? It’s time to go.

4.You need to ________ speaking English to make progress.

5.Our English teacher tried to ________ making us feel stupid in her class.

6.Have you ever ________ living on the moon?

7.I ________ going to see a film tonight.The film is very interesting.

8.I ________ having made a mistake on this problem.

9.I ________ wearing red clothes.

10.________ working hard! Be strict with yourself.

查看答案和解析>>

假如你是校学生会主席,为了更好地保护环境,你代表学生会向全校学生发出倡议。请根据以下内容,写一份倡议书:
1 保护环境是我们的职责。
2 我们要养成环保的习惯:(1)尽量步行上学或骑自行车上学(2)离开房间前关灯和其他电器
(3)不随地扔垃圾(4)节约用水
3 发出环保的号召。
注意:1 词数:120左右  2 可以适当增加细节,以使行文连贯
参考词汇:电器electrical applicance (可数名词)
Dear friends,
As we can see, the environment around us is getting worse and worse.

 
 
 Thank you!                        
The students’ Union

查看答案和解析>>

假如你是校学生会主席,为了更好地保护环境,你代表学生会向全校学生发出倡议。请根据以下内容,写一份倡议书:

1 保护环境是我们的职责。

2 我们要养成环保的习惯:(1)尽量步行上学或骑自行车上学(2)离开房间前关灯和其他电器

(3)不随地扔垃圾(4)节约用水

3 发出环保的号召。

注意:1 词数:120左右  2 可以适当增加细节,以使行文连贯

参考词汇:电器electrical applicance (可数名词)

Dear friends,

As we can see, the environment around us is getting worse and worse.

 

 

 Thank you!                        

The students’ Union

 

查看答案和解析>>


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