They are made always of special wood from certain trees.

Others can't forget certain trees that glittered more than they ever could today.

They can also be a problem outside, going mad for strawberries and certain trees.

On his way he passed a certain big tree.

Even then I had certain trees that were special to me.

Having difficulty growing any plants underneath the deep shade of certain trees?

Tomorrow and Sunday young visitors can learn how old certain trees are, too.

On his return to the city, he used to offer the remaining water to a certain tree.

This one deals with the fact that certain trees almost always have leaves opposite each other.

Do you talk with all the trees, or just a certain tree?