I'm afraid there will be news about the accident. This also occurs with other tenses and verbs. I'll put my boots on tomorrow and run over the moor. You would get a terrible fright if he came back to life. The past tense and the past perfect of strong verbs.
Strong verbs form the past and past perfect by changing their vowels.
Verbs that end with b , d , g , k , p and t by adding it . Verbs that end with il , le , en , ch , sh , ss and f by adding t . Verbs that end with le change their ending to elt . Otherwise by the addition of ed or d where the infinitive ends with a vowel sound or silent e . Verbs that end with ee by adding 'd .