First what is a tree? In botany, a tree is a perennial plant with an elongated stem, or trunk, supporting branches and leaves in most species. ... It is estimated that there are some three trillion mature trees in the world. A tree typically has many secondary branches supported clear of the ground by the trunk.
To plant a tree it goes like this:
1. if it is tuber tree we first cut the head of the plant and then plant it in a soil of 2 to 3 feet deep.
We can tell that this sentence is referring to an event from the past when it says last month. Therefore the past tense of perform, which is performed, should be used.
