牛津译林版七年级英语下册Unit1 Grammar(1)课件.pptVIP

七年级英语Unit 1 Dream homes Grammar(Ⅰ) Say the numbers in English zero --- nineteen 0 --- 19 21 --- 99 20, 30, 40, 50, 60, 70, 80, 90 twenty ……… ninety twenty-one --- ninety-nine Pay attention!(1) –teen重音在 “teen”上；-ty重音在单词开头;(3) 表示“几十几”的数词中有 “-”， 如twenty-two,thirty-five等。(2) 特殊变化：13/15/18/30/40/80； 111 , 1 1 1 , 1 1 1 , 1 1 1 thousand n.千million n.百万billion n.十亿hundred n.百 1001,00010,000100,0001,000,00010,000,000100,000,0001,000,000,000one thousandten thousandone hundred thousandone millionten millionone hundred millionone billionone hundredHow to read them? Pay attention!读三位以上的数词时，要在十位前加 “and”,如十位为0则在个 位前加 “and”,其他每三位数用”,”隔开;321three hundred and twenty-one6,875six thousand, eight hundred and seventy-five634,509six hundred and thirty-four thousand, five hundred and nine 1. 当有具体数量时，不能加 “s”和 “of ”。2. 当表示泛指数量时用以下形式:hundreds of …thousands of …millions of …billions of …hundred, thousand, million, billion成百上千的/数百的…成千上万的/数千的…数百万的…数十亿的… Try to say the numbersfive hundred and ninety-sevennine hundred and seventy-sixone thousand two hundred and four four thousand nine hundred and seventy-eight five thousand eight hundred and ninenine thousand seven hundred and eighty-four A 597B 976 C 1,204 D 4,978 E 5,809 F 9,784 Can you read the numbers? Listen and get the numbersPeople from about countries and areas live in the USA.2. The CN Tower is feet tall.3. Red Square in Moscow is about square metres in size.4. France has an area of over square miles.5. There are about people living in London.6. Tokyo, the capital of Japan, has over people.1801,81591,000260,0008,000,00013,000,000 5673,28010,943123,4569,070,81145,607,760Try to write the numbersfive hundred and sixty-seventhree thousand two hundred and eightyten thousand nine hundred and forty-threeone hundred and twenty-three thousand four hundred and fifty-sixnine milli