现在时:I buy this table.我买这张桌子。
过去时:I bought the table yesterday.这张桌子是我昨天买的。将来时:I will buy a bicycle next month。我下一个月将买辆自行车。现在进行时:I am buying some food for dinner.我正在买些食物当晚饭吃。现在时:I buy this table.我买这张桌子。
过去时:I bought the table yesterday.这张桌子是我昨天买的。将来时:I will buy a bicycle next month。我下一个月将买辆自行车。现在进行时:I am buying some food for dinner.我正在买些食物当晚饭吃。