Ride - rode - ridden - riding
Wear - wore - wore - wearing
Buy -bought - bought - buying
Know - knew - known - knowing
Burn - burnt - burnt - burning
Travel - traveled - traveled - traveling
Hide - hid - hidden - hiding
Smell - smelt - smelt - smelling
Вообще их учить надо, дальше сложнее будет, если не выучишь
Удачи)