我們不得不清楚,英語的使用范圍非常廣泛。世界上70%以上的郵件是用英文寫或用英文寫地址的。下面是小編為大家整理的小學(xué)英語必考的知識點(diǎn),希望對您有所幫助!
小學(xué)英語必考的知識點(diǎn)
一.名詞:名詞單復(fù)數(shù),名詞的.格
(一)名詞單復(fù)數(shù)
1.一般情況,直接加-s,如:book-books, bag-bags, cat-cats, bed-beds
2.以s. x. sh. ch結(jié)尾,加-es,如:bus-buses, box-boxes, brush-brushes, watch-watches
3.以“輔音字母+y”結(jié)尾,變y為i, 再加-es,如:family-families, strawberry-strawberries
4.以“f或fe”結(jié)尾,變f或fe為v, 再加-es,如:knife-knives
5.不規(guī)則名詞復(fù)數(shù):
man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice
child-children, foot-feet, tooth-teeth, fish-fish, people-people, Chinese-Chinese, Japanese-Japanese
不可數(shù)名詞的復(fù)數(shù)就是原型: paper, juice, water, milk, rice, tea
(二)名詞的格
(1) 有生命的東西的名詞所有格:
a) 單數(shù)后加 ’s 如: Lucy’s ruler my father’s shirt
b) 以s 結(jié)尾的復(fù)數(shù)名詞后加 ’如: his friends’ bags
c) 不以s 結(jié)尾的復(fù)數(shù)后加 ’s children’s shoes
l并列名詞中,如果把 ’s加在最后一個名詞后,表示共有, 如:
Tom and Mike’s car 湯姆和邁克共有的小汽車
l要表示所有物不是共有的,應(yīng)分別在并列名詞后加’s
Tom’s and Mike’s cars 湯姆和麥克各自的小汽車
(2)表示無生命東西的名詞通常用“ of +名詞”來表示所有關(guān)系:如:
a picture of the classroom a map of China
小學(xué)英語知識點(diǎn)
數(shù)詞:基數(shù)詞、序數(shù)詞
(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 先說“幾十”,再說“幾”,中間加連字符。
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先說“幾百”,再加and,再加末兩位數(shù)或末位數(shù);
586→five hundred and eighty-six,803→eight hundred and three
(4)l,000以上,先從右往左數(shù),每三位數(shù)加一個“,”,第一個“,”前為thousand.第二個“,”前為million,第三個“,”前為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
序數(shù)詞
(1)一般在基數(shù)詞后加th
eg.four→fourth,thirteen→thirteenth
(2)不規(guī)則變化
one→first,two→second,three→third,five→fifth,eight→eighth,nine→ninth,twelve—twelfth
(3)以y結(jié)尾的十位整數(shù),變y為ie再加th
twenty→twentieth, forty→fortieth, ninety→ninetieth
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