sit, sat, sat;
spend, spent, spent;
ring, rang, rung;
wear, wore, worn;
sell, sold, sold;
beat, beat, beaten
win, won, won;
hurt, hurt, hurt;
sing, sang, sung;
blow, blew, blown;
rise, rose, risen;
ride, rode ridden
fly, flew, flown;
drink, drank, drunk;
forget, forgot, forgotten;
throw, threw, thrown;
hang, hung, hung;
swim, swam, swum