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fly – flies The shops sell jackets. The shop sells jackets. 奇妙的 S 名詞的復述形式 動詞的第三人稱單數(shù)形式 現(xiàn)在進行時 be + V. ing He is eating noodles. I’m eating noodles. 當前一段時間或現(xiàn)階段 正在進行 的動作 What are you doing? What is he doing? Children are running home. It’s raining. Tom is laughing. am is are be Be 動詞與人稱代詞的搭配 I he / she / it you / they / we do doing 動詞的 ing 形式 v. + ing open opening have