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可数名词和不可数名词,可数名词Countable nouns,(1)定义:是可以计数的名词。 (2)可数名词前可以用 a , an 限定,表一个 (3)可数名词前可以用 one, two , three 限定。 (4)可数名词有复数形式。,Grammar Focus,不可数名词Uncountable nouns,(1)定义:是指不能计数的名词。 (2)不可数名词前不可以用 a , an 限定。 (3)不可数名词前不可以用 one, two , three 限定。 (4)不可数名词没有复数形式。,单数名数名词变为复数名词有以下规则:,1、一般情况下在名词后面加-s。 pencilpencils, sistersisters, 2、以s, x, ch, sh结尾的名词后加-es. watchwatches, boxboxes(盒子) 3、以辅音字母加y结尾的名词,先将y改为i,再加-es。 family families,4、字母o来真神奇,有生命来-es,无生命来加-s。 顺口溜:黑人(negro-negroes)和英雄(hero-heroes)吃土豆(potato-potatoes)和西红柿(tomatotomatoes) photophotos,5、以f或fe结尾的名词,先将f为v,再加-es knifeknives(小刀) 顺口溜:妻子持刀去宰狼,小偷吓得发了慌。 躲在架后保己命,半片树叶遮目光。 wife (wives) knife (knives) wolf (wolves) thief (thieves),6、不规则变化。 顺口溜:大鹅(goose-geese)老鼠(mouse-mice)齐步走, 男男(man-men)女女(woman-women)呲呲牙(tooth-teeth)。,7.单复数形式一致: 一个中国人(Chinese)和一个日本人(Japanese)骑着一只羊(sheep)和一头鹿(deer)去吃水煮鱼(fish)。,写出下列可数名词的复数形式。 map banana table chair desk pen book soccer basketball tomato potato photo zoo dictionary family strawberry toy boy key class watch box knife chief wife man woman child sheep deer,Exercise:,maps bananas tables chairs desks pens books soccers basketballs tomatoes potatoes photos zoos dictionaries families strawberries toys boys keys classes watches boxes knives chieves wives men women children sheep deer,Answers:,1b:How many other words can you add to the list?你在每一栏后还能补充几个单词?,Fruits: pear,strawberry,apple,orange, banana Vegetables: broccoli,tomato,salad,potato Others: ice-cream,hamburger, french fries,1c:Listen and circle the food you hear in 1a.听录音,在1a中圈出所听到的食物。,salad,eggs,apple,ice cream,hamburger,banana,orange,carrots,chicken,rice,1d: Listen again and fill in the chart. 再听一遍录音并填表。,Tom,sally,likes,doesnt like,carrots,salad, all vegetables,salad,bananas, oranges,apples, ice-cream,apples,vegetables,
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