Your search for the postposition -ił with in instrumental has returned 2 entries

-ił

Hatáálgóó déyáago shikélchí t’óó tsxį́į́łgo bił ’ada’shéshiizhgo ńdaséłkad.

ceremony-1-go-Fut-GO 1-moccasin merelyhurry.GO 3-with 3-1-pierce-GO 3-1-sew-P
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Since I was going to a ceremony, I hurriedly pierced holes in my moccasins and sewed them. (YM 1987g:10)