=>
49. She admitted spending (too) much money doing the shopping.
-> admit Ving: thừa nhận làm gì
50. My mother congratulated me on succeeding/having succeeded in the interview.
-> congratulate sb on Ving: chúc mừng ai làm gì
51. Nam's teacher congratulated him on having won the game.
-> congratulate sb on Ving/having V3-ed
52. The manager suggested organizing a party to celebrate their success.
-> suggest Ving: đề nghị, gợi ý