Past Continuous – “He was eating his breakfast when the phone rang.”
Past Simple – “He ate cornflakes for breakfast.”
Past Perfect Simple – “He had already eaten breakfast when he got to work.”
Past Perfect Continuous – “He had only been eating his breakfast for 2 minutes when his boss phoned.”
The Present
Present Continuous – “It is 12.15 and he is eating lunch.”
Present Simple – “He eats lunch at 12 noon every day.”
Present Perfect Simple – “He has already eaten breakfast today.”
Present Perfect Continuous – “He has been eating lunch since 12 noon.”
The Future
Future Continuous – “He’s eating dinner with his mother at 8.00 tomorrow.”
Future Simple – “He will eat steak for dinner.”
Future Perfect Simple – “He will have already eaten his starter when he gets his main course.”
Future Perfect Continuous – “He will have been eating his dinner for 15 minutes when his favourite tv programme starts.