The past tense of "skate" in Engpsh is "skated". The word "skate" originates from the Dutch word "schaats", which means "skate".
Examples:
I skated on the ice yesterday. (我昨天在冰上滑冰)
She skated in the ice-skating competition last weekend. (她上周末在滑冰比赛中滑冰)
Note: In Engpsh, the past tense of regular verbs is usually formed by adding -ed to the base form of the verb. However, there are some irregular verbs that have different forms in the past tense.