a. He has fought all of us.
b. He has fought every one of us.
c. He has fought each of us.
d. He had a fight with all of us.
e. He had a fight with every one of us.
f. He has a fight with each of us.
In which case:
1. We are talking about separate fights
and in which case
2. We are talking about a fight with him on one side and all of us on the other.
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