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(guān)訓練語法透視考點大觀易錯辨析通關(guān)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(guān)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(guān)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(guān)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(guān)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(guān)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(guān)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(guān)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(guān)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