Simple Present Passive
A fish is eaten by a cat
Simple Past
Active: Mike wrote a letter.
Passive: the flower was watered by John.
Present Perfect
Active: Mike has written a letter.
Passive: A letter has been written by Mike.
Future I
Active: Mike will write a letter.
Passive: our rubbish will be collected by city council
Past perfect
Active: Mike had written a letter
Passive: A letter had been written by Mike
Future perfect
Active: Mike will have written a letter
Passive: the research will have being written by myself
Simple present continuous
Active: Mike is writing a letter.
Passive: a tree is cutting by two men
Simple past continuous
Active: Mike was writing a letter
Passive: Wine was leaking by a small hole
Present perfect continuous
Active: Mike has been writing a letter
Passive: Our tuition fee has been being paid installment by our sponsor
Past perfect continuous
Active: Mike had been writing a letter
Passive: food had been being eaten all by their troops
My dear,
Future continuous
Active: Mike will be writing a letter
Passive: A car will be being repaired by a better technician
Future perfect continuous
Active: Mike will have been writing a letter
Passive: A letter will have been being written by Mike
My dear, headache
nice day