What is a good sentence for chastisement?

Over the years, the landform began to erode.

The cupcake is very good. Bob is very very good at math. You all did a good job on the test but Bob did the best. Sister Teresa did much good in dedicating her life to the poor. It is good to be...

Before a store can open it needs all of its goods to make money.

The dog ate its food.

The women went to the hairdresser and got their hair colored.