Past simple	This is what happened yesterday: A tree fell down in the park.
Present continuous	This is what is happening today: Some workers are cutting up the fallen tree.
Past continuous	This is what was happening yesterday evening between seven and midnight: The wind was blowing very hard.
Present simple	This is what happens habitually: The wind often pushes over trees.
Present perfect	This is what has happened so far: Five trees have fallen down this year.
Future simple	This is what will happen tomorrow: Some experts will examine the tallest trees.
Past perfect	This is what had happened before yesterday's incident: The trees had shown signs of weakness.
Conditional	This is what would happen if a condition was fulfilled: There would be more trees if we planted them more often.