Simple Past and Present Perfect
Use the simple past to talk about events that began and ended in the past.
The Russians launched the first artificial satellite in 1957.
Use the present perfect to talk about an an event or action that was completed in the past.
Many countries have launched satellites into space.
Also use the present perfect to talk about events that began in the past and continue into the present.
The United States has launched many astronauts into space since 1969.
الاجابه هي:
عن الماضي البسيط المعروف العادي ed او حسب كيف الكلمه تنكتب بالماضي Present perfect المضارع التام ( haveا او has ) دايما معها.