1) a)these oranges are too ripe for you to eat them.
b) These oranges are ripe enough for you to eat them
c) These oranges are so ripe that you can eat them.
d) It was such these ripe oranges that you can eat them.
2) a) The box is too heavy for her to carry it.
b) The box is heavy enough for her to carry it.
c) The box is so heavy that she can't carry it.
d) It is such a heavy box that she can't carry it.