來源:網(wǎng)絡(luò)來源 作者:中考網(wǎng)整合 2021-10-17 19:38:23
(6) 在某些固定詞組里,名詞之前常不用冠詞。例如:
By air, at night, at home, go to bed, go to school, on foot, from morning till night 等。
二. 數(shù)詞的用法
數(shù)詞分基數(shù)詞和序數(shù)詞;鶖(shù)詞表示數(shù)目,序數(shù)詞表示順序。
1. 基數(shù)詞的用法
(1) 基數(shù)詞在句中主要用作主語、賓語、定語、表語、同位語,例如:
Thirty of them are Party members.(主語)
--- How many would you like?
--- Three ,please.(作賓語)
The nine boys are from Tianjing.(定語)
Six plus four is ten.(表語)
We four will go with you.(同位語)
(2) 表示一個(gè)具體數(shù)字時(shí),hundred, thousand, million一律不用復(fù)數(shù);在表示一個(gè)不確定數(shù)字時(shí)則用復(fù)數(shù)。例如:
Our country has a population of 1,300 million people.
There are three thousand students in our school.
After the war, thousands of people became homeless.
Maize is the most important food crop for millions of people in the world.
They arrived in twos and threes.
(3) 表示“……十”的數(shù)詞的復(fù)數(shù)形式可用來表示人的歲數(shù)或年代,例如:
He is in his early thirties.
He died still in his forties.
This took place in 1930s.
(4) 表示時(shí)刻用基數(shù)詞。例如:
We get up at six.
The workers begin work at eight.
表示“幾點(diǎn)過幾分”,用介詞past,但須在半小時(shí)以內(nèi)。例如:
ten past ten,
a quarter past nine,
half past twelve
表示“幾點(diǎn)差幾分”用介詞to, 但分?jǐn)?shù)須在半小時(shí)以上。例如:
twenty to nine,
five to eight,
a quarter to ten
表示“幾點(diǎn)幾分”還可直接用基數(shù)詞。例如:
seven fifteen,
eleven thirty,
nine twenty
2. 序數(shù)詞的用法
(1)序數(shù)詞主要用作定語,前面要加定冠詞,例如:
The first truck is carrying a foot baskets.
John lives on the fifteenth floor.
(2)序數(shù)詞有時(shí)前面可加不定冠詞來表示“再一”,“又一”這樣的意思,例如:
We'll have to do it a second time.
Shall I ask him a third time?
When I sat down,a fourth man rose to speak.
(3)由幾個(gè)序數(shù)詞和基數(shù)詞在拼寫時(shí)不對應(yīng),很容易寫錯,應(yīng)特別注意。它們是:one---first, two---second, three---third, five---fifth, eight---eighth, nine---ninth, twelve---twelfth。
(4)表示年,月,日時(shí), 年用基數(shù)詞表示,日用序數(shù)詞表示。例如:
1949年十月一日讀作: October (the) first, nineteen sixty
2004年九月十日讀作:September (the) tenth, two thousand and four
(5)表示分?jǐn)?shù)時(shí),分子用基數(shù)詞表示,分母用序數(shù)詞表示。分子大于1時(shí),分母加-s。例如:
three fourths,
one second,
two fifths
(6)序數(shù)詞有時(shí)用縮寫形式:
first→1st second→2nd
third→3rd fourth→4th
twenty-second→22nd
相關(guān)推薦:
2022年中考體育考核注意事項(xiàng)及訓(xùn)練方法匯總
2022年中考各學(xué)科知識點(diǎn)及考點(diǎn)匯總
關(guān)注中考網(wǎng)微信公眾號
每日推送中考知識點(diǎn),應(yīng)試技巧
助你迎接2022年中考!
歡迎使用手機(jī)、平板等移動設(shè)備訪問中考網(wǎng),2024中考一路陪伴同行!>>點(diǎn)擊查看