1. catching(present)- He is catching the ball.
caught(past)- He caught the cheaters.
will catch(future)- He will catch better next time.
2. announcing(present)- He is announcing the next Ms. Universe pageant winners.
announced(past)- He mistakenly announced Ms. Colombia as the winner.
will announce (future)- He will announce the winner later.
3. inventing(present)- It is being invented.
invented(past) - He invented the light bulb
will invent (future) - He will invent something innovative
You finish the rest, you should know already based on my examples....
