it is the first time that I -have come to BeiJin为什么要用完成时啊,后面

it is the first time 用法 请问 Is it the first time you enjoy the apple? It is the first time that sb do sth. it is the first/second.time that+现在完成时 IT IS THE FIRST TIME THAT 句型是什么从句 it is the first time应该加什么时态? it is the first time that i _____(visit)nanjing it is/was the first time that有什么用法 用 “it is the first +time ”造句两个 it is the first …time that造句,快 it is the first time that i ()here that too late when it is the first time it is the first time that是主语从句吗 It is the first time that从句做什么成分 It is the first time for him to do 英语翻译it is the first time +现在完成时----------it is the first time that I have seen a tiger.it was the first time+过去完成时-----------It was the first time that he had said ( that )he loved me. it is the first time和it was the first time后面接的时态各是什么? it's the first time that与sb is the first to do 的区别