pay过去式,过去分词,现在分词分别为paid、paid、paying
pay的用法：
pay的用法1：pay的基本意思是“付给”“付出”,指某人买东西或做某事所花费的金钱。
pay的用法3：pay既可用作及物动词,也可用作不及物动词。
pay的用法3：pay可接双宾语,其间接宾语可转化为介词to的宾语。
1.You have to pay your outstanding bill before joining the scheme.
在参加该项目之前必须结清余账。
2.Every worker can enjoy 4 weeks of paid vacation every year.
每位工人每年都能享受4周的带薪休假。
3.Chandra was determined to be a doctor, and her perseverance paid off.
钱德拉决心做一名医生，她的坚持不懈得到了回报。
4.He is now paying a heavy price for alcoholism.
他现在正为酗酒付出沉重的代价。
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