1、可数名词用法讲解可数名词有单复数之分。单数可数名词1. 单数可数名词一般不会单独出现,前面通常要有限定词。例如:She is friend(friend 前面加上my.) I have pen.(pen前面加上a) I like boy.(boy前面加上this)限定词通常有三类。冠词。经常用不定冠词 a、an。形容词性物主代词。指示代词this、that 。this、that可用the代替。2.单数可数名词做主语看作第三人称单数,谓语动词使用三单(单数)形式。My father is (be) very tall.His brother likes (like) playing basket
2、ball.可数名词的复数形式。1单数变复数规则变化a. 一般情况下,直接加-s.如:book-books, bag-bags, cat-cats, bed-bedsb. 如:c. 以“辅音字母+y”结尾,变y为i, 再加-es,如:family-families, strawberry-strawberriesd. 以“f或fe”结尾,变f或fe为v, 再加-es,如:knife-knivese. 以o结尾,通常加s.初中范围只有这四个词Negro hero potato potato 这四个词加es 如tomato -potatoes. tomato-tomatoes巧记 黑人 英雄种西红柿
3、和马铃薯这四个词es不规则变化: man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice child-children, foot-feet,. tooth-teeth, fish-fish, sheep-sheep people-people, Chinese-Chinese, Japanese-Japanese.2什么时候使用可数名词的复数形式?a.数词大于1,可数名词用复数。b.可数名词前有Some/any、these/those 、a lot of/lots of、 many、How
4、many、 a few修饰时,可数名词用复数。Some/any+可复 a lot of/lots of+可复Many+可复How many+可复A few+可复c.复数名词表示泛指是可数名词使用复数形式。I like applesGrapes are my favourite fruit.3.对可数名词数量提问使用how many 不可数名词1. 不可数没有复数。不可数名词不能直接和a/an、数词连用。若要表示它的个体意义时,一般要与一个名词短语连用,即a/an /数词 +量词单数/复数+of+不可数名词。A cup of tea two cups of tea 注意 数词大于一,量词用复数。
5、a/an /数词 +量词单数/复数+of+不可数名词 做主语时,它的数由量词的数决定。如The cup of tea is (be) hot.Two cups of tea are (be) on the table.2. 单个的不可数名词做主语看作第三人称单数,谓语动词使用三单形式。The meat smells (smell) delicious. The water is on the table.3. 常用来修饰不可数名词的词Some/any、 a lot of/lots of、much 、how much、a little等4. 对不可数名词的数量提问用How muchHow much water do you want?
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