Present simple: become, agree, changes, understand, buys
Present continuous: was spreading, was
playing
Present perfect: has spread, have entered
Past simple: developed, started, could be called, created, decided to change, appeared,
became, started, created
Past continuous:Is changing Past perfect - не нашла, скорее всего их просто здесь нет (структура таких предложений = подлежащее+ had+V3/Ved)