可数名词有单数和复数两种形式。指一个人或一件事物时,用单数形式;指两个或多个人或事物时用复数形式。名词由单数形式变成复数形式的规则如下:? 1. 一般的名词词尾直接加-s 。如:? book → books room → rooms? house → houses day → days? 2. 以s, ss, ch, sh, x 结尾的名词,在词尾加-es 。如:? bus → buses glass → glasses? watch → watches? dish → dishes box → boxes? 3. 以"辅音字母+y"结尾的名词,要先将y改为i再加-es。如:? city → cities body → bodies? factory → factories等等。? 4. 以f 或fe 结尾的名词,要将f或fe改为v再加-es。如:? half → halves leaf → leaves? knife → knives wife → wives? 5. 特例 [悄悄话:特例常常考,要记住。]? ① child → children? ② man → men woman → women? policeman → policemen? (规律:man → men)? ③ tomato → tomatoes? potato → potatoes? [悄悄话: 初中英语以o 结尾的名词变复数时只有这两个词加-es,其余的当然加-s喽!如:photo → photos ]? ④ foot → feet tooth → teeth? [悄悄话: oo变成ee。]? ⑤ sheep, Chinese, Japanese单、复数同形 [悄悄话:变复数时词形不变。]? ⑥ people单数形式表示复数意义,要求谓语动词用复数; people的复数形式peoples通常指"多个民族"。 ? 三、 不可数名词的家务事? 1. 不可数名词没有复数,当它作句子的主语时,谓语动词要用单数形式。如:? The food is very fresh. 食品很新鲜。? 2. 有的不可数名词也可以作可数名词,有复数形式,但他们的意义往往发生变化。如:? water (水) → waters (水域)? orange (橘汁) → oranges (橘子)? 3. 很多的不可数名词表示泛指时为不可数,表示种类时就可数,但意义大多不发生变化。如:? fruit → fruits food → foods? fish → fishes hair → hairs? 用所给名词的适当形式填空。? 1. How many________(sheep) are there on the hill? 2. There is some________(food) in the basket.? 3. The baby has only two________(tooth) now.? 4. There is a lot of________(water) in the bottle.? 5. There are five________(people ) in his family.? 6. Let's take________(photo), OK? 7. I have lots of________(tomato) here.? 8. The________(leaf) on the tree turn-yellow.? 9. The________(child) are playing gameson the playground now.? 10. Their________(dictionary) look new.? 11. I see you have a few white________(hair).? 12. They are________(woman) doctors.? 13. Can you give me some bottles of ____ (orange), please? 14. There are many________(fox) in the picture.? 15. I would like some apple________(juice). I am very thirsty.? 把下列单词变成复数 本文来源:https://www.wddqw.com/doc/065857de78563c1ec5da50e2524de518974bd3e9.html