just is only used at present perfect.its right or wrong.if wrong tell me what is correct

Or.. I am playing cricket right now. is right expression.

i was just playing cricket yesterday. its write or wrong

I was just playing cricket yesterday.. Is a meaningless one. It's wrong.

ok thanx

i was just playing.its write or wrong

You are Wrong. I have just played cricket. is right.

ok just is used in only present perfect tense.and is it not used in past perfect ,future perfect and other means in continous sentences....

correct