Какой учебник ваулина ? Да?
To count - counted - counted
to work - worked - worked
to lock - locked - locked
to shout - shouted - shouted
to describe - described - described
to happen - happened - happened
to believe - believed - believed
to start - started - started
Если это года, то читается как "восемнадцать семьдесят один (eighteen seventy-one)"; "семь сотен (seven hundred)"; "девятнадцать двенадцать (nineteen twelve)". Если просто числа, то one thousand eight hundred seventy-one, seven hundred - так и останется, one thousand nine hundred twelve.