I might use translation software instead of paying some person to translate for me because that person could easily be telling me false information and I can just believe what they say, or they could not really be listening at all and just give me random things.
Advantages of using a human interpreter: You get the chance to learn a new language on your own from someone else.
Advantages of using translation software: The software is always right, is full of all words in each language, and is always on mobile devices so it can be used anywhere, anytime.
So based on your question that states a few trees in garden and one of them is a pear tree, there are pears. But a strong wind blew, there were neither pears on the tree nor on the ground. I think the best explaination to this statement is that some one might pick up the pear tree or it can be that its the wrong tree that is blown.
it is already in active voice
