@easy_englishgrammar Common mistakes اشتباهات رایج Ten years are a long time to spend in prison. Ten years is a long time to spend in prison. @easy_englishgrammar 90 miles an hour were over the speed limit. 90 miles an hour was over the speed limit. Note When the subject is a period of time, an amount, a distance, a speed, the verb is #singular. https://t.me/joinchat/AAAAAEXnoyUiJhOwKQ6nmA 3.1K viewsS.ali.bahador, 19:12