YOU SAID:
I wish I had this bicycle at that time
INTO JAPANESE
その時にこの自転車を持っていたらよかった
BACK INTO ENGLISH
I wish I had this bike at that time
INTO JAPANESE
あの時にこのバイクがあったらいいのに
BACK INTO ENGLISH
I wish I had this bike at that time
You've done this before, haven't you.