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Use "inquire after" in a sentence
"When he went to thank Mrs. Corbin for her kindness and to inquire after Janie, his little friend was better."
"Immediately on the receipt of your letter, I wrote to a correspondent at Florence to inquire after the family of Tagliaferro as you desired."
"If Cutler had visited Mrs. Cozens at the Manor House instead of at her own cottage in order to inquire after Susie, there were strong reasons for assuming that he had already met Susie and learned from her where her mother was to be found."