初中英语单词复数形式规律

英语单词复数形式的规律

1、名词由单数变复数的基本方法如下：

①在单数名词词尾加s。如：maps,boys, horses,tables,pens等。②s,x ,sh,ch结尾的词加es.如：classes, boxes, heroes, dishes,benches,foxes, brushes, watches。但stomach的复数为stomachs。

③以辅音字母加y结尾的名词,变y为i,加es。如families, cities, parties,babies。

④以f或fe结尾的名词英语中共有100多个,其中直接加s的有92个,绝大多数不常用,如safe,roof,belief等；把f或fe改为v,再加es的只有13个,如：

thief,life,wife,shelf,

self,knife,half,leaf,wolf等

⑤以o结尾的名词,除有生命的“两人两物”Negro,hero,tomato,potato等少数后面加es外,一般后面直接加s.如kilos, photos,zoos,radios,pianos,videos.

2、不规则变化：①含man的n,一般变man 为men.如women,policemen,Englishmen.但German→Germans.②将oo改为ee的有foot →feet,tooth→teeth,goose→geese等.③复数以en结尾的有children,ox→oxen等.

④将ouse改为ice的有mouse→mice,louse →lice(虱子)等. 不可数名词一般没有复数形式,说明其数量时,要用有关计量名词。如：a bag of

rice→two bags of rice, a piece of

paper→three pieces of paper, a bottle

of milk→five bottles of milk.

动名词的规则变化 1 一般情况下，直接在

动词后加－ing （现在进行时） eg: work

---working study ----studying 2 动词

以不发音的－e结尾，要去－e加－ing take

--- taking make --- making 3 重读闭音

节的动词，要双写词尾字母，再加－ing cut

--- cutting put begin 4 以－ie结尾的

动词，把变成y再加－ing lie ---lying tie

----tying die --dying

现在分词的变化规则1.普通动词+ing; 2.

以不发音的e结尾的动词：去e+ing;例：dance→ dancing. 3.重读闭音节，以

一个元音+一个辅音结尾的动词：双写

这个辅音字母+ing;例：stop→stopping.

4.以ie结尾的动词：变ie为y+ing.例lie

→lying(谎言，说谎，幌子）

MONTHS

1. January

2. February

3. March

4. April

5. May

6. June

7. July

8. August

9. September 10. October 11. November 12. December first second third fourth fifth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth

nineteenth twentieth twentieth-first twentieth-second twentieth-third

twenty-fourth twenty-fifth twenty-sixth twenty-seventh

twenty-eighth twenty-ninth thirtieth thirty-first