小学英语语法知识点汇总:现在进行时
现在进行时表示说话时正在进行的动作或现阶段一直在进行的动作。
☆注意☆它的构成是:be的现在时形式(am , is , are)加动词的ing形式。
如:What are you doing?I’m writing a letter.What arethey doing?They’re swimming.Is he playing chess? Yes, he is.Look, Amy is reading an English book.
☆ 注意☆ 动词的ing形式的构成规则:
☆ ① 一般的直接在后面加上ing , 如doing , going , working , singing , eating
② 以e 结尾的动词,要先去e再加ing ,如having , writing
③ 双写最后一个字母的(此类动词极少)有:running , swimming, sitting , getting
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