i has bought a pen 和 i bought a pen 的区别

来源：学生作业帮编辑：灵鹊做题网作业帮分类：英语作业时间：2024/05/09 01:27:54

i has bought a pen 和 i bought a pen 的区别
请问：
i has bought a pen 和 i bought a pen 表达的意思有区别吗,还是意思都一样,只是写法不同,可以通用.
写错了是应该是 he has 以及 he bought

i has(改为have) bought a pen 和 i bought a pen 句子时态不一样的哦,不能通用（如果动词是has ,主语应该是he/she,而不是I )
i has bought a pen 表示现在完成时.（动作发生在过去对现在的影响）i bought a pen 表示一般过去时.动作发生在过去.
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