用present perfect tense ,simple past tense ,

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/28 02:49:04

spend spend didn't see visited spent 再答：记得采纳我的答案哦！
再问：可是你怎麽有present tense在这~T_T~
再答：额……没注意你上面的那段话，我再看看啊
再答：前两个都改成现在完成时，也就是have spent就好咯
再问：好谢谢

用present perfect tense ,simple past tense , Simple present tense转换Simple past tense present perfect tense,past perfect tense Present perfect tense和 simple past tense 有什麽区别呢要羡怎麽用呢例如这题该 Present perfect tense 和 simple past tense 有什麽区别呢要羡怎麽用呢例如这题请问present/past perfect tense 跟present/past perf 希望学会英语的Tense.（e.g.Simple Past Tense,Present Perfecet Tense…… The simple present tense simple present tense The present perfect tense Simple past tense Past Simple Tense