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初二英語知識(shí)點(diǎn)之?dāng)?shù)詞!學(xué)習(xí)英語的方法很簡(jiǎn)單,比如請(qǐng)你的伙伴說中文,你立刻脫口而出英文;說英文,你立刻脫口而出中文。通過中英文自由轉(zhuǎn)換幫助背誦,效果特別好!與此同時(shí)還可以快速提高你的口譯能力。下面小編為大家的帶來初二英語知識(shí)點(diǎn)之?dāng)?shù)詞。
數(shù)詞的基本用法
(一)基數(shù)詞的基本用法
1.定語
Fifty thousand London dockers are out on strike.
2.主語
數(shù)詞作主語,謂語動(dòng)詞用單數(shù)。
如: Two months is quite a long time.
Five is an odd number.
3.賓語或介詞賓語
How many do you want?——Eight,please.
The city has a population of four million.
4.表語
We are altogether fourteen.
Five plus seven is twelve.
5.同位語
What work are you to assign us three?
Is there room for us two?
6.基數(shù)詞+單數(shù)名詞+形容詞構(gòu)成合成形容詞。如:一個(gè)五歲的男孩a five-year-old boy;一座800米長的橋an 800-metre-long bridge;女子400米接力girls‘400-metre relay race.
7.句型:主語+is +about(大約)/ over =more than(超過)/nearly(接近)+具體數(shù)詞+metre(s)/kilometre(s)/kilo(s)long / high /tall /deep /away等。如:長江長6300公里。
The Changjiang River is 6,300 kilometres long.
8.表示“……十”的數(shù)詞的復(fù)數(shù)形式可以用來表示人的歲數(shù)或年代:
He is in his early thirties.
He died still in his forties.
This took place in the 1930s.
(二)序數(shù)詞的基本用法
1.序數(shù)詞主要用作定語,前面一般要加定冠詞(或物主代詞):
Tom is their second son.
They celebrated the 10th anniversary of the founding of the republic.
I will never give up,not even on the 1,000th or 10,000th try.
2.有時(shí)前面可以加一個(gè)不定冠詞來表示“再一”,“又一”這樣的意思:
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.First,second 等有時(shí)可用來表示“先進(jìn)個(gè)人(批)”“第二個(gè)人”等:
She was among the first to come and settle in Dujiashan.
You will be the second to speak.
4.如果數(shù)字較長,序數(shù)詞總避免使用,而且讀的方法也常常簡(jiǎn)化:
第201房間:Room 201
第319面:page 319
先進(jìn)拖拉機(jī)廠:the Number I Tractor Works
第六號(hào)車廂:Carriage No.6
南京路1490號(hào):1490 Nanjing Road
電話號(hào)碼55――2347:telephone number :55—2347
5. 在談編了號(hào)的東西時(shí),我們可以用基數(shù)詞表示順序:
the first part——part one
the third squad——squad three
the twenty-third section——section twenty-three
小編推薦:
愛智康初中教育頻道分享的初二英語知識(shí)點(diǎn)之?dāng)?shù)詞到這里就結(jié)束啦,要定期重新做一遍錯(cuò)題,對(duì)于反復(fù)出錯(cuò)的內(nèi)容要保持警惕?梢愿蠋煖贤,發(fā)現(xiàn)錯(cuò)題中反映出的,自身掌握不足的知識(shí)點(diǎn),進(jìn)行查漏補(bǔ)缺。更多有關(guān)初中輔導(dǎo)的課程,請(qǐng)直接撥打免費(fèi)咨詢電話:!
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