I think one would say
the best of all times. You can say, "The Best Times", but "The Best of (All) Times" would be even stronger.
This is
the biggest of all the apples we bought from the market this morning.
You can say : This is the biggest apple we bought from the market this morning.
However, you can't say : This is the apple of the biggest we bought this morning.
I hope this helps.
提问者对于答案的评价:thank you!~