Simple past tense and past participle of turn.(verb)
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Use "turned" in a sentence
"Because Superman turned back time…..turned back time, for just ONE person."
"Then suddenly it turned parallel with the edge of a steep-walled gap, which came without warning, like the ha-ha of an English park, turned with an unexpected abruptness."
"I thought he might be angry, or scared, but his expression turned to wonder."