Detailed Instructions: Given an English sentence, convert it into the french language.
Q: Nine of these revised BB LMs were built by Ferrari in 1979 , while a further refined series of sixteen were built from 1980 to 1982 .
A:
Neuf de ces BB LM révisées furent construites par Ferrari en 1979 , tandis qu' une série de seize autres furent construite entre 1980 et 1982 .