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一般現在時:如果主語是複數,或第一第二人稱用動詞的原型,其他用動詞的三單. 現在完成時:have/has+動詞過去分詞 一般將來時:will +動詞原型 be going to+動詞原型 現在進行時:be +動詞ing形式
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