English, like most Germanic languages, has many regular ("weak") verbs, like work, worked, worked (in standard dictionary format, listing present, past, and past participle), and a bewildering ...

Although less than 3% of modern verbs are irregular, the 10 most common verbs (be, have, do, go, say, can, will, see, take, get) are irregular, researchers said. They calculated the half-lives of ...

Using this model, the team managed to estimate how much staying power the remaining irregular verbs have and assigned them 'half-lives' just as they would to radioactive isotopes that decay over time.

More obscure irregular verbs, however, are less readily learned ... to radioactive isotopes that decay over time. The two most common irregulars – ‘be’ and ‘have’ – crop up once ...