The present perfect tense

The present perfect tense write the sentence in the present perfect present perfect the present perfect tense的中文 present perfect simple and present perfect continuous Present simple,present continuous,present perfect simple,present perfect continuous Simple past VS.present perfect PS:耀快~Use the simple past of___________________________________________.Use the present perfect for_______________________________________. present perfect continous是什么 present perfect是什么意思 use present perfect or simple past tenses:Theuse present perfect or simple past tenses:The Titanic.(sink) in 1912. 请问present simple,the present continuous,the present perfect这三个之间有什么区别么?怎么分别他们 什么是PRESENT PERFECT CONTINUOUS啊? 现在完成进行时：The present perfect continuous是这样写的嘛? the perfect The future Perfect Continuous Tense 用法 .过去完成进行时 the past perfect continuous tense用法1.一般现在时 the present tense 2.一般过去时 the past tense3.一般将来时 the future tense5.现在进行时 the present continuous te perfect girl和the perfect 用present perfect tense ,simple past tense , 求 4 个 present perfect progressive 句子