Измените глагол-сказуемое в предложении, поставив его во все временные формы (простое прошедшее, настоящее длительное, настоящее совершенное времена).

Today most modern inventions take place in large research organizations.

A year ago most modern inventions took place in large research organizations. (took place-простое прошедшее) Now most modern inventions are taking place in large research orgasnizations. (are taking place-настоящее длительное) Since 2011 most modern inventions have taken place in large research organizations (have taken place-настоящее совершённое)

Last year most modern inventions took place in large research organizations. (Past Simple - простое прошедшее).

At the moment most modern inventions are taking place in large research orgasnizations. (Present Progressive настоящее длительное)

Recently most modern inventions have taken place in large research organizations. (Present Perfect - настоящее совершённое)