the first time和 for the first time分别用什么时态?

for the first time 和the first time造句,急 the first time 和at the first time和for the first time的区别 for the first time和the first time和at the first time有什么区别? 求in the first time和at the first time 、for the first time的区别~ for the first time,first time,the first time和by the first time的具体用法和怎样区别? for the first time. the first time和for the first time 的词性以及其他相关有by the first time The last time和last time .for the first time和the first time是怎么区别的? make for the first time for the first time造句 for the first time 和 the first time 有什么用法区别? at the first time和for the first time有什么区别 区分一下for the first time 和at the first time 的区别, the first time和 for the first time分别用什么时态? for the first time 和 the first time的区别,请详解 the first time 和for the first time 分别在什么情况下用? at the first time和for the first time的区别 for the first time 和THE FIRST TIME的区别,怎么用啊