Unit1_語法專項課件（基數(shù)詞）

1、Unit1語法專項課件（基數(shù)詞）初中英語冀教版七年級下冊Part語法透析考點大觀易錯辨析通關訓練語法透視考點大觀易錯辨析通關訓練基數(shù)詞定義及拼寫表示數(shù)目的詞稱為基數(shù)詞。其形式如下：1）112, 獨立成詞。one two three four five six seven eight nine ten eleven twelve語法透視考點大觀易錯辨析通關訓練基數(shù)詞定義及拼寫2）13-19, 由39 + teen構(gòu)成。14fourteen 16-sixteen 17-seventeen 19nineteen 特殊拼寫: 13 thirteen 15-fifteen 18eighteen 3）20

2、90, 以-ty結(jié)尾。20twenty 30-thirty 40forty 50fifty 80-eighty 60-sixty 70-seventy 90ninety 語法透視考點大觀易錯辨析通關訓練基數(shù)詞定義及拼寫4）2199， 兩位數(shù)，十位與個位之間有 “”。twenty-one 55 fifty-five 99 ninety-nine5）101999，三位數(shù)，百位與十位/個位之間加and。101 one hundred and one840 eight hundred and forty693 six hundred and ninety-three語法透視6) 1，000以上數(shù)目,從

3、右向左每三位用“，”分開,分別讀為thousand , million, billion 考點大觀易錯辨析通關訓練基數(shù)詞定義及拼寫29,43150076,thousandhundredmillionbillionand語法透視1、表示具體數(shù)目,hundred, thousand, million不用復數(shù)。表示不確定數(shù)目,用復數(shù)。即hundreds of(數(shù)百),thousands of(數(shù)千), millions of(數(shù)百萬)+ 名詞復數(shù),可以用many/several修飾，但不能與具體數(shù)目連用。1) Our country has a population of 1,300 million

4、 people. 2) There are three thousand students in our school.3) After the war, thousands of people became homeless.4) Several / Many thousands of trees must be planted every year.考點大觀易錯辨析通關訓練特殊基數(shù)詞的用法語法透視3、“基數(shù)詞+名詞” 的合成形容詞作定語，中間有連字符“”,當中的名詞用單數(shù)。 a 3 year old girl a seven-day holiday 考點大觀易錯辨析通關訓練其他基數(shù)詞的用法

5、4、表計量- “基數(shù)詞+度量單位+形容詞”。 The classroom is 7 meters long, 6 meters wide and 3 meters high.語法透視1)順讀法-先時后分, “幾點幾分” 9:30 nine thirty 6:21 six twenty-one 考點大觀易錯辨析通關訓練表示時刻 2)逆讀法-先分后時 表示“幾點過幾分”，半小時以內(nèi)，介詞用past 分鐘數(shù)+past +鐘點數(shù) 10:10 ten past ten 8:20 twenty past eight表示“幾點差幾分”，半小時以上，介詞用to 60減原分鐘+ to + (下一個)鐘點數(shù) 9:

6、50 ten to ten 7:40 twenty to eight語法透視考點大觀易錯辨析通關訓練表示時刻 3) 15分鐘：a quarter 30分鐘：a half 9:15 a quarter past nine 12:30 half past twelve【解析】該題考查的是數(shù)詞的用法。句意為“一周九百英鎊？那不錯啊?！盢ine hundred是一個具體的數(shù)量，這是數(shù)詞不能用復數(shù)形式，后面也不能加of。所以應選D。語法透視解析Nine _ pounds a week? Thats very good.A. hundred of B. hundreds ofC. hundreds D. hundredNext考點大觀易錯辨析通關訓練The number 2,564 is written as_.two thousand five hundred and sixty-fourtwo thousand five hundred sixty-fourtwo thousand five hundred and sixty fourtwo thousands five hundreds and sixty-four【解析】數(shù)詞thousand前有具體數(shù)字修飾，表示確定數(shù)目