diff --git a/lib/src/polish/ExtraPolAbs.gf b/lib/src/polish/ExtraPolAbs.gf
new file mode 100644
index 000000000..2f7ae97db
--- /dev/null
+++ b/lib/src/polish/ExtraPolAbs.gf
@@ -0,0 +1,2 @@
+abstract ExtraPolAbs = Cat, Extra [Pron,ProDrop] ** 
+{}