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
Example sentence - He wrecked his truck and ran into a tree when he tried to go over the embankment.
To be emergence is to be new or developing. An example sentence would be: The tree was very emergence and fresh.
"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 - I enjoy sitting by a tree and teaching myself how to draw pictures of nature.
Example sentence - We identified which tree was infested and had it removed.