ever since主句 有用于过去完成时的例子吗

ever since主句 有用于过去完成时的例子吗 有ever since或since 的句子,主句都必须用延续性动词吗? ever since用于什么时态? （英语）ever sinceever since主句用现在完成时,可是以下这个句子怎么用现在完成进行时?He has been living here ever since. ever since 和since 有什么区别Mr li went to America 20 years ago and has bee there ever since.后面为什么是ever since?不是ever since要和现在完成时连用吗?这里怎么会是过去时态啊? since做连词时从句一般过去主句现在完成,那么主句的现在完成可以换成情态动词吗,就像I can take care of myself since(自从) I…… since.ago能否用于现在完成时态 since/from thensince then 和 from then on有什么区别?since then 只能用于完成时吗?为什么“Ever since then,she fell in love with drama and tried to express her inner feelings by way of drama performance as well as being involved with s 如果主句是现在完成时态,那么回答它的句子如果有since,那么since后接什么时态,为什么 ever since since then用于什么时态过去时可以吗 ever since,ever after 帮我用by the time 造两句句子主句+by the time +从句1.从句+过去,主句+过去完成2.从句+一般现在,主句+将来完成 ever since和since有什么区别,怎么用? since then 与since ever有什么区别? ever since的意思,与since有区别吗 since then 与since ever有什么区别? ever since/since 的用法在书上看到的“ever since/since所引导的句子多用过去或现在完成时”能举例说说吗?请举例