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dow 三個學(xué)生擦窗照片(略) Ask and answer sweep the floor sweeping the floor 幾個學(xué)生在掃地的照片(略) Ask and answer wash clothes washing clothes 教師在家洗衣的照片(略) Look, read amp。 learn 動詞原形 現(xiàn)在分詞 動詞原形 現(xiàn)在分詞 run running stand standing sit sitting walk walking sleep sleeping jump jumping sweep sweeping clean cleaning wash washing … … Ask amp。 answer A: What are you doing? B: I’m washing clothes. Ask amp。 answer A: What are you doing? B: We’re cleaning some toys. Ask