五年级上册英语课件－M5U2 there are forty.｜外研版（三起） (共25张PPT)

Module 5 unit 2 There are forty. twenty twelve Point and read. thirteen thirty fourteen forty Point and read. fifteen fifty sixteen sixty Point and read. seventeen seventy eighteen eighty Point and read. nineteen ninety Let's chant！ two three four five twelve thirteen fourteen fifteen twenty thirty forty fifty six seven eight nine sixteen seventeen eighteen nineteen sixty seventy eighty ninety 后加 teen 为十几。thirteen . fifteen 看仔细，eighteen 只有一个t 20-90后加ty. twenty 不同重点记, forty 剜去字母u , thirty , fifty 很奇怪， 跟着eighty一起搞例外. twenty-one表示几十几时，中间记住加连字符号“-” is+名词单数形式或者不可数名词 there are +可数名词复数形式 （不可数名词：rice，bread,water,meat,milk,juice,cheese, chocolate等等） There are three ducks. There are two monkeys. There are four pigs. There is a computer. There be 后面有用and连接的两个或两个以上的名词时，be的形式应和其最邻近的名词一致，即”就近原则“。 There be句型的否定句