just now作“刚才”、“一会儿之前”解时,常与一般过去时连用,位于句首或句末;它也可指“(加重语气的)现在”或“片刻之后”,这时可用于现在时或将来时.如：
They gave it to me just now.他们刚才把它给了我.
I'm busy just now.我现在很忙.
I'll tell you a story just now if you have time to listen to it.
just now 有三种含义：
1、at this moment 此时、此刻、眼下
Come and see me later,I'm busy just now!
过些时候再来,我这会儿正忙着呢!
2、during this present period 目前;现阶段
Business is good just mow.