Question

Sarah teacher english for twenty years

Answer 1

Ответ

Сара учительница английского языка уже двадцать лет

надо перевести или что ?

Answer 2

It seems like you want to convey that Sarah has been teaching English for twenty years. The sentence you provided is almost correct, but it needs a small adjustment for proper grammar:

"Sarah has been teaching English for twenty years."

This sentence indicates that Sarah has been an English teacher for a period of twenty years.