Слова на языке в настоящее время в время и в ing form understand learn read drink speak think eat run hear teak give buy find choose week teach pay

Understand-understood-understanding, learn-learnt-learning, read-read-reading, drink-drank-drinking, speak-spoke-speaking, think-thought-thinking, eat-ate-eating, take-took-taking, give-gave-giving, find-found-finding, choose-chose-choosing, нет такого глагола week, teach-taught-teaching, pay-paid-paying