I'm not sure if this is what you need, but below are sentences containing the word tree. Every October, the leaves of our maple tree turn a gorgeous shade of fiery red. Some animals are able to escape from predators by climbing a tree. Grandma has a detailed family tree that provides information about our ancestors. One way to celebrate Earth Day is to plant a tree.
I'm not sure if this is what you need, but an example of a sentence fragment containing the word tree is below. The bird in the tree. (This is a sentence fragment and not a complete sentence because there is no verb (action word).
A conifer tree is a cone bearing tree. An example sentence would be: The pine tree is a conifer tree.
Example sentence - We identified the tree as a birch.
Example sentence - The tree was strung with decorations for the holiday.
Example sentence - We planted a birch tree in our yard yesterday.
Example sentence - Sean and Seth's rickety tree house is being repaired by their uncle.
tatsuo was sitting under the shadeof tree
To be emergence is to be new or developing. An example sentence would be: The tree was very emergence and fresh.
Example sentence - He wrecked his truck and ran into a tree when he tried to go over the embankment.
"A mango on a tree" is not a sentence, because it is not a complete thought. It could be part of a variety of sentences. One example would be, I see a mango on a tree. Or, There is a mango on a tree. Or that bird is perched next to a mango on a tree.
Example sentence - We identified which tree was infested and had it removed.
Example sentence - I enjoy sitting by a tree and teaching myself how to draw pictures of nature.