小学英语必考的知识点整理-九游会老哥必备的交流社区
我们不得不清楚,英语的使用范围非常广泛。世界上70%以上的邮件是用英文写或用英文写地址的。下面是小编为大家整理的小学英语必考的知识点,希望对您有所帮助!
小学英语必考的知识点
一.名词:名词单复数,名词的.格
(一)名词单复数
1.一般情况,直接加-s,如:book-books, bag-bags, cat-cats, bed-beds
2.以s. x. sh. ch结尾,加-es,如:bus-buses, box-boxes, brush-brushes, watch-watches
3.以“辅音字母 y”结尾,变y为i, 再加-es,如:family-families, strawberry-strawberries
4.以“f或fe”结尾,变f或fe为v, 再加-es,如:knife-knives
5.不规则名词复数:
man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice
child-children, foot-feet, tooth-teeth, fish-fish, people-people, chinese-chinese, japanese-japanese
不可数名词的复数就是原型: paper, juice, water, milk, rice, tea
(二)名词的格
(1) 有生命的东西的名词所有格:
a) 单数后加 ’s 如: lucy’s ruler my father’s shirt
b) 以s 结尾的复数名词后加 ’如: his friends’ bags
c) 不以s 结尾的复数后加 ’s children’s shoes
l并列名词中,如果把 ’s加在最后一个名词后,表示共有, 如:
tom and mike’s car 汤姆和迈克共有的小汽车
l要表示所有物不是共有的,应分别在并列名词后加’s
tom’s and mike’s cars 汤姆和麦克各自的小汽车
(2)表示无生命东西的名词通常用“ of 名词”来表示所有关系:如:
a picture of the classroom a map of china
小学英语知识点
数词:基数词、序数词
(1)1-20
one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen, sixteen,seventeen,eighteen,nineteen,twenty
(2)21-99 先说“几十”,再说“几”,中间加连字符。
23→twenty-three,34→thirty-four,45→forty—five,56→fifty-six,67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one
(3)101—999先说“几百”,再加and,再加末两位数或末位数;
586→five hundred and eighty-six,803→eight hundred and three
(4)l,000以上,先从右往左数,每三位数加一个“,”,第一个“,”前为thousand.第二个“,”前为million,第三个“,”前为billion
1,001→one thousand and one
18,423→eighteen thousand,four hundred and twenty-three
6,260,309→six million two hundred and sixty thousand three hundred and nine
750,000,000,000→seven hundred and fifty billion
序数词
(1)一般在基数词后加th
eg.four→fourth,thirteen→thirteenth
(2)不规则变化
one→first,two→second,three→third,five→fifth,eight→eighth,nine→ninth,twelve—twelfth
(3)以y结尾的十位整数,变y为ie再加th
twenty→twentieth, forty→fortieth, ninety→ninetieth