Lily Lucy What a fine day today! Look. 现在进行时: Present Progressive 概念: 表示现在正在发生的动作 结构: be (is, am, are) + doing 标志语： Look! 、 Listen! 、now一般在动词 原形后 +ing 以不发 音的e 结 尾 的，去e ，+ing 重读闭 音节 以一 个辅 音字母结 尾的 ，双写这 一字母 +ing 动词-ing 形式的构成： writing taking getting running swimming going go ask write take get run swim asking1.The twins _(wash) the clothes now. 2.Look! He _ (play) basketball over there. 3.Listen! _ Sally _(sing)? are washing is playing Is singingHow often do you ? (once a week, twice, never)I have a
