萬丈高樓從平地起,學(xué)習(xí)也一樣?,F(xiàn)在孩子們接觸英語比較早,但有很多基礎(chǔ)性的東西還沒完全搞清楚,睿丁英語小編希望孩子們先把基礎(chǔ)性的東西打扎實(shí)了,那么以后高年級(jí)的學(xué)習(xí)會(huì)輕松很多!下面分享下英語知識(shí)語法點(diǎn):基數(shù)詞、序數(shù)詞用法: 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)1,000以上,先從右往左數(shù),每三位數(shù)加一個(gè)“,”,第一個(gè)“,”前為thousand.第二個(gè)“,”前為million,第三個(gè)“,”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 (4)從二十一后的“幾十幾”直至“幾百幾十幾”或“幾千幾百幾十幾”只將個(gè)位的基數(shù)詞變?yōu)樾驍?shù)詞。 twenty-first,two hundred and forty-fifth 基數(shù)詞轉(zhuǎn)為序數(shù)詞的口訣: 基變序,有規(guī)律,詞尾加上-th. 一,二,三,特殊記,詞尾字母t,d,d. 八去t,九去e, ve要用f替。 ty將y變成i,th前面有個(gè)e. 若是碰到幾十幾,前用基來后用序。 了解更多教育資訊,英語學(xué)習(xí)方法,歡迎關(guān)注睿丁訂閱號(hào):睿丁少兒英語【reading-china】。如果你想?yún)⑴c更多睿丁精彩活動(dòng),歡迎關(guān)注睿丁服務(wù)號(hào):睿丁英語【ruidingyingyu】。 |
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