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The plural of if is ifs.
As in "no ifs and no buts".
Normally if is a conjuction, but is used as a noun in the expression ifs and buts, e.g. no ifs and buts.
You can't. No "What ifs' , No "Ands' , and No '"Buts'.
Mom to child: "Just do what I said, and I don't want to hear any ifs, ands, or buts from you!"
Himno Electronico